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update upstream #1 from torvalds/master #560

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@rsy56640 rsy56640 commented Jun 9, 2018

update upstream

@rsy56640 rsy56640 closed this Jun 9, 2018
fengguang pushed a commit to 0day-ci/linux that referenced this pull request Mar 15, 2021
This commit fixes the following checkpatch.pl errors:

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#285: FILE: ./hal/odm.c:285:
    +void odm_CommonInfoSelfInit(struct DM_ODM_T * pDM_Odm);

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#287: FILE: ./hal/odm.c:287:
    +void odm_CommonInfoSelfUpdate(struct DM_ODM_T * pDM_Odm);

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#289: FILE: ./hal/odm.c:289:
    +void odm_CmnInfoInit_Debug(struct DM_ODM_T * pDM_Odm);

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#291: FILE: ./hal/odm.c:291:
    +void odm_BasicDbgMessage(struct DM_ODM_T * pDM_Odm);

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#305: FILE: ./hal/odm.c:305:
    +void odm_RefreshRateAdaptiveMaskCE(struct DM_ODM_T * pDM_Odm);

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#309: FILE: ./hal/odm.c:309:
    +void odm_RSSIMonitorInit(struct DM_ODM_T * pDM_Odm);

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#311: FILE: ./hal/odm.c:311:
    +void odm_RSSIMonitorCheckCE(struct DM_ODM_T * pDM_Odm);

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#313: FILE: ./hal/odm.c:313:
    +void odm_RSSIMonitorCheck(struct DM_ODM_T * pDM_Odm);

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#315: FILE: ./hal/odm.c:315:
    +void odm_SwAntDetectInit(struct DM_ODM_T * pDM_Odm);

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#323: FILE: ./hal/odm.c:323:
    +void odm_RefreshRateAdaptiveMask(struct DM_ODM_T * pDM_Odm);

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#325: FILE: ./hal/odm.c:325:
    +void ODM_TXPowerTrackingCheck(struct DM_ODM_T * pDM_Odm);

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#327: FILE: ./hal/odm.c:327:
    +void odm_RateAdaptiveMaskInit(struct DM_ODM_T * pDM_Odm);

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#330: FILE: ./hal/odm.c:330:
    +void odm_TXPowerTrackingInit(struct DM_ODM_T * pDM_Odm);

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#338: FILE: ./hal/odm.c:338:
    +void odm_InitHybridAntDiv(struct DM_ODM_T * pDM_Odm);

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#341: FILE: ./hal/odm.c:341:
    +	struct DM_ODM_T * pDM_Odm,

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#349: FILE: ./hal/odm.c:349:
    +void odm_SetRxIdleAnt(struct DM_ODM_T * pDM_Odm, u8 Ant, bool bDualPath);

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#353: FILE: ./hal/odm.c:353:
    +void odm_HwAntDiv(struct DM_ODM_T * pDM_Odm);

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#363: FILE: ./hal/odm.c:363:
    +void ODM_DMInit(struct DM_ODM_T * pDM_Odm)

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#393: FILE: ./hal/odm.c:393:
    +void ODM_DMWatchdog(struct DM_ODM_T * pDM_Odm)

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#420: FILE: ./hal/odm.c:420:
    +		struct DIG_T * pDM_DigTable = &pDM_Odm->DM_DigTable;

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#448: FILE: ./hal/odm.c:448:
    +void ODM_CmnInfoInit(struct DM_ODM_T * pDM_Odm, enum ODM_CMNINFO_E CmnInfo, u32 Value)

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#560: FILE: ./hal/odm.c:560:
    +void ODM_CmnInfoHook(struct DM_ODM_T * pDM_Odm, enum ODM_CMNINFO_E CmnInfo, void *pValue)

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#689: FILE: ./hal/odm.c:689:
    +	struct DM_ODM_T * pDM_Odm,

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#717: FILE: ./hal/odm.c:717:
    +void ODM_CmnInfoUpdate(struct DM_ODM_T * pDM_Odm, u32 CmnInfo, u64 Value)

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#831: FILE: ./hal/odm.c:831:
    +void odm_CommonInfoSelfInit(struct DM_ODM_T * pDM_Odm)

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#841: FILE: ./hal/odm.c:841:
    +void odm_CommonInfoSelfUpdate(struct DM_ODM_T * pDM_Odm)

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#867: FILE: ./hal/odm.c:867:
    +void odm_CmnInfoInit_Debug(struct DM_ODM_T * pDM_Odm)

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#888: FILE: ./hal/odm.c:888:
    +void odm_BasicDbgMessage(struct DM_ODM_T * pDM_Odm)

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#935: FILE: ./hal/odm.c:935:
    +void odm_RateAdaptiveMaskInit(struct DM_ODM_T * pDM_Odm)

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#937: FILE: ./hal/odm.c:937:
    +	struct ODM_RATE_ADAPTIVE * pOdmRA = &pDM_Odm->RateAdaptive;

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#953: FILE: ./hal/odm.c:953:
    +	struct DM_ODM_T * pDM_Odm,

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    #1083: FILE: ./hal/odm.c:1083:
    +void odm_RefreshRateAdaptiveMask(struct DM_ODM_T * pDM_Odm)

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    #1094: FILE: ./hal/odm.c:1094:
    +void odm_RefreshRateAdaptiveMaskCE(struct DM_ODM_T * pDM_Odm)

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    #1131: FILE: ./hal/odm.c:1131:
    +	struct DM_ODM_T * pDM_Odm,

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    #1137: FILE: ./hal/odm.c:1137:
    +	struct ODM_RATE_ADAPTIVE * pRA = &pDM_Odm->RateAdaptive;

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    #1196: FILE: ./hal/odm.c:1196:
    +void odm_RSSIMonitorInit(struct DM_ODM_T * pDM_Odm)

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    #1198: FILE: ./hal/odm.c:1198:
    +	struct RA_T * pRA_Table = &pDM_Odm->DM_RA_Table;

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    #1204: FILE: ./hal/odm.c:1204:
    +void odm_RSSIMonitorCheck(struct DM_ODM_T * pDM_Odm)

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    #1217: FILE: ./hal/odm.c:1217:
    +	struct DM_ODM_T * pDM_Odm = &(pHalData->odmpriv);

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    #1234: FILE: ./hal/odm.c:1234:
    +void odm_RSSIMonitorCheckCE(struct DM_ODM_T * pDM_Odm)

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    #1243: FILE: ./hal/odm.c:1243:
    +	struct RA_T * pRA_Table = &pDM_Odm->DM_RA_Table;

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    #1306: FILE: ./hal/odm.c:1306:
    +static u8 getSwingIndex(struct DM_ODM_T * pDM_Odm)

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    #1330: FILE: ./hal/odm.c:1330:
    +void odm_TXPowerTrackingInit(struct DM_ODM_T * pDM_Odm)

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    #1374: FILE: ./hal/odm.c:1374:
    +void ODM_TXPowerTrackingCheck(struct DM_ODM_T * pDM_Odm)

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    #1398: FILE: ./hal/odm.c:1398:
    +void odm_SwAntDetectInit(struct DM_ODM_T * pDM_Odm)

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    #1400: FILE: ./hal/odm.c:1400:
    +	struct SWAT_T * pDM_SWAT_Table = &pDM_Odm->DM_SWAT_Table;

Signed-off-by: Marco Cesati <marcocesati@gmail.com>
fengguang pushed a commit to 0day-ci/linux that referenced this pull request Mar 16, 2021
This commit fixes the following checkpatch.pl errors:

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#285: FILE: ./hal/odm.c:285:
    +void odm_CommonInfoSelfInit(struct DM_ODM_T * pDM_Odm);

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#287: FILE: ./hal/odm.c:287:
    +void odm_CommonInfoSelfUpdate(struct DM_ODM_T * pDM_Odm);

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#289: FILE: ./hal/odm.c:289:
    +void odm_CmnInfoInit_Debug(struct DM_ODM_T * pDM_Odm);

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#291: FILE: ./hal/odm.c:291:
    +void odm_BasicDbgMessage(struct DM_ODM_T * pDM_Odm);

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#305: FILE: ./hal/odm.c:305:
    +void odm_RefreshRateAdaptiveMaskCE(struct DM_ODM_T * pDM_Odm);

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#309: FILE: ./hal/odm.c:309:
    +void odm_RSSIMonitorInit(struct DM_ODM_T * pDM_Odm);

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#311: FILE: ./hal/odm.c:311:
    +void odm_RSSIMonitorCheckCE(struct DM_ODM_T * pDM_Odm);

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#313: FILE: ./hal/odm.c:313:
    +void odm_RSSIMonitorCheck(struct DM_ODM_T * pDM_Odm);

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#315: FILE: ./hal/odm.c:315:
    +void odm_SwAntDetectInit(struct DM_ODM_T * pDM_Odm);

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#323: FILE: ./hal/odm.c:323:
    +void odm_RefreshRateAdaptiveMask(struct DM_ODM_T * pDM_Odm);

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#325: FILE: ./hal/odm.c:325:
    +void ODM_TXPowerTrackingCheck(struct DM_ODM_T * pDM_Odm);

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#327: FILE: ./hal/odm.c:327:
    +void odm_RateAdaptiveMaskInit(struct DM_ODM_T * pDM_Odm);

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#330: FILE: ./hal/odm.c:330:
    +void odm_TXPowerTrackingInit(struct DM_ODM_T * pDM_Odm);

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#338: FILE: ./hal/odm.c:338:
    +void odm_InitHybridAntDiv(struct DM_ODM_T * pDM_Odm);

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#341: FILE: ./hal/odm.c:341:
    +	struct DM_ODM_T * pDM_Odm,

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#349: FILE: ./hal/odm.c:349:
    +void odm_SetRxIdleAnt(struct DM_ODM_T * pDM_Odm, u8 Ant, bool bDualPath);

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#353: FILE: ./hal/odm.c:353:
    +void odm_HwAntDiv(struct DM_ODM_T * pDM_Odm);

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#363: FILE: ./hal/odm.c:363:
    +void ODM_DMInit(struct DM_ODM_T * pDM_Odm)

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#393: FILE: ./hal/odm.c:393:
    +void ODM_DMWatchdog(struct DM_ODM_T * pDM_Odm)

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#420: FILE: ./hal/odm.c:420:
    +		struct DIG_T * pDM_DigTable = &pDM_Odm->DM_DigTable;

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#448: FILE: ./hal/odm.c:448:
    +void ODM_CmnInfoInit(struct DM_ODM_T * pDM_Odm, enum ODM_CMNINFO_E CmnInfo, u32 Value)

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#560: FILE: ./hal/odm.c:560:
    +void ODM_CmnInfoHook(struct DM_ODM_T * pDM_Odm, enum ODM_CMNINFO_E CmnInfo, void *pValue)

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#689: FILE: ./hal/odm.c:689:
    +	struct DM_ODM_T * pDM_Odm,

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#717: FILE: ./hal/odm.c:717:
    +void ODM_CmnInfoUpdate(struct DM_ODM_T * pDM_Odm, u32 CmnInfo, u64 Value)

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#831: FILE: ./hal/odm.c:831:
    +void odm_CommonInfoSelfInit(struct DM_ODM_T * pDM_Odm)

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#841: FILE: ./hal/odm.c:841:
    +void odm_CommonInfoSelfUpdate(struct DM_ODM_T * pDM_Odm)

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#867: FILE: ./hal/odm.c:867:
    +void odm_CmnInfoInit_Debug(struct DM_ODM_T * pDM_Odm)

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#888: FILE: ./hal/odm.c:888:
    +void odm_BasicDbgMessage(struct DM_ODM_T * pDM_Odm)

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#935: FILE: ./hal/odm.c:935:
    +void odm_RateAdaptiveMaskInit(struct DM_ODM_T * pDM_Odm)

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#937: FILE: ./hal/odm.c:937:
    +	struct ODM_RATE_ADAPTIVE * pOdmRA = &pDM_Odm->RateAdaptive;

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    torvalds#953: FILE: ./hal/odm.c:953:
    +	struct DM_ODM_T * pDM_Odm,

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    #1083: FILE: ./hal/odm.c:1083:
    +void odm_RefreshRateAdaptiveMask(struct DM_ODM_T * pDM_Odm)

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    #1094: FILE: ./hal/odm.c:1094:
    +void odm_RefreshRateAdaptiveMaskCE(struct DM_ODM_T * pDM_Odm)

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    #1131: FILE: ./hal/odm.c:1131:
    +	struct DM_ODM_T * pDM_Odm,

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    #1137: FILE: ./hal/odm.c:1137:
    +	struct ODM_RATE_ADAPTIVE * pRA = &pDM_Odm->RateAdaptive;

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    #1196: FILE: ./hal/odm.c:1196:
    +void odm_RSSIMonitorInit(struct DM_ODM_T * pDM_Odm)

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    #1198: FILE: ./hal/odm.c:1198:
    +	struct RA_T * pRA_Table = &pDM_Odm->DM_RA_Table;

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    #1204: FILE: ./hal/odm.c:1204:
    +void odm_RSSIMonitorCheck(struct DM_ODM_T * pDM_Odm)

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    #1217: FILE: ./hal/odm.c:1217:
    +	struct DM_ODM_T * pDM_Odm = &(pHalData->odmpriv);

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    #1234: FILE: ./hal/odm.c:1234:
    +void odm_RSSIMonitorCheckCE(struct DM_ODM_T * pDM_Odm)

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    #1243: FILE: ./hal/odm.c:1243:
    +	struct RA_T * pRA_Table = &pDM_Odm->DM_RA_Table;

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    #1306: FILE: ./hal/odm.c:1306:
    +static u8 getSwingIndex(struct DM_ODM_T * pDM_Odm)

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    #1330: FILE: ./hal/odm.c:1330:
    +void odm_TXPowerTrackingInit(struct DM_ODM_T * pDM_Odm)

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    #1374: FILE: ./hal/odm.c:1374:
    +void ODM_TXPowerTrackingCheck(struct DM_ODM_T * pDM_Odm)

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    #1398: FILE: ./hal/odm.c:1398:
    +void odm_SwAntDetectInit(struct DM_ODM_T * pDM_Odm)

    ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar"
    #1400: FILE: ./hal/odm.c:1400:
    +	struct SWAT_T * pDM_SWAT_Table = &pDM_Odm->DM_SWAT_Table;

Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Marco Cesati <marcocesati@gmail.com>
Link: https://lore.kernel.org/r/20210315170618.2566-21-marcocesati@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
ojeda added a commit to ojeda/linux that referenced this pull request Nov 24, 2021
intel-lab-lkp pushed a commit to intel-lab-lkp/linux that referenced this pull request Sep 1, 2022
If an MST connector was disabled in the old state during a commit, the
connector's best_encoder will be NULL, so we can't look up mst_mgr via
it. Do the lookup instead via intel_connector->mst_port which always
points to the primary encoder.

This fixes the following:
[   58.922866] BUG: kernel NULL pointer dereference, address: 0000000000000170
[   58.922867] #PF: supervisor read access in kernel mode
[   58.922868] #PF: error_code(0x0000) - not-present page
[   58.922869] PGD 0 P4D 0
[   58.922870] Oops: 0000 [#1] PREEMPT SMP NOPTI
[   58.922872] CPU: 0 PID: 133 Comm: kworker/0:2 Tainted: G     U             6.0.0-rc3-imre+ torvalds#560
[   58.922874] Hardware name: Intel Corporation Alder Lake Client Platform/AlderLake-P DDR5 RVP, BIOS ADLPFWI1.R00.3135.A00.2203251419 03/25/2022
[   58.922874] Workqueue: events output_poll_execute [drm_kms_helper]
[   58.922879] RIP: 0010:intel_dp_mst_atomic_check+0xbb/0x1c0 [i915]
[   58.922955] Code: 5b 7b f6 ff 84 c0 75 41 48 8b 44 24 18 65 48 2b 04 25 28 00 00 00 0f 85 ff 00 00 00 48 8b 45 10 48 8b 93 10 07 00 00 4c 89 e7 <48> 8b b0 70 01 00 00 48 83 c4 20 5b 5d 48 81 c6 f0 0c 00 00 41 5c
[   58.922956] RSP: 0018:ffffc90000633a88 EFLAGS: 00010246
[   58.922957] RAX: 0000000000000000 RBX: ffff888117d19000 RCX: ffff888101893308
[   58.922958] RDX: ffff888122981000 RSI: ffffffff82309ecc RDI: ffff888114da6800
[   58.922959] RBP: ffff8881094bab48 R08: 0000000081917436 R09: 0000000068191743
[   58.922960] R10: 0000000000000001 R11: 0000000000000001 R12: ffff888114da6800
[   58.922960] R13: ffff8881143f8000 R14: 0000000000000000 R15: ffff888119bf2000
[   58.922961] FS:  0000000000000000(0000) GS:ffff888496200000(0000) knlGS:0000000000000000
[   58.922962] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.922962] CR2: 0000000000000170 CR3: 0000000005612004 CR4: 0000000000770ef0
[   58.922963] PKRU: 55555554
[   58.922963] Call Trace:
[   58.922964]  <TASK>
[   58.922966]  drm_atomic_helper_check_modeset+0x3f8/0xc70 [drm_kms_helper]
[   58.922972]  intel_atomic_check+0xb1/0x3180 [i915]
[   58.923059]  ? find_held_lock+0x2b/0x80
[   58.923064]  drm_atomic_check_only+0x5d3/0xa60 [drm]
[   58.923082]  drm_atomic_commit+0x56/0xc0 [drm]
[   58.923097]  ? drm_plane_get_damage_clips.cold+0x1c/0x1c [drm]
[   58.923114]  drm_client_modeset_commit_atomic+0x235/0x280 [drm]
[   58.923132]  drm_client_modeset_commit_locked+0x5b/0x190 [drm]
[   58.923148]  drm_client_modeset_commit+0x24/0x50 [drm]
[   58.923164]  drm_fb_helper_set_par+0xae/0xe0 [drm_kms_helper]
[   58.923171]  drm_fb_helper_hotplug_event+0xd5/0xf0 [drm_kms_helper]
[   58.923178]  output_poll_execute+0xac/0x200 [drm_kms_helper]
[   58.923187]  process_one_work+0x268/0x580
[   58.923190]  ? process_one_work+0x580/0x580
[   58.923191]  worker_thread+0x52/0x3b0
[   58.923193]  ? process_one_work+0x580/0x580
[   58.923195]  kthread+0xf0/0x120
[   58.923196]  ? kthread_complete_and_exit+0x20/0x20
[   58.923198]  ret_from_fork+0x1f/0x30
[   58.923202]  </TASK>

Fixes: ffac972 ("drm/display/dp_mst: Don't open code modeset checks for releasing time slots")
Cc: Lyude Paul <lyude@redhat.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
intel-lab-lkp pushed a commit to intel-lab-lkp/linux that referenced this pull request Sep 2, 2022
If an MST connector was disabled in the old state during a commit, the
connector's best_encoder will be NULL, so we can't look up mst_mgr via
it. Do the lookup instead via intel_connector->mst_port which always
points to the primary encoder.

This fixes the following:
[   58.922866] BUG: kernel NULL pointer dereference, address: 0000000000000170
[   58.922867] #PF: supervisor read access in kernel mode
[   58.922868] #PF: error_code(0x0000) - not-present page
[   58.922869] PGD 0 P4D 0
[   58.922870] Oops: 0000 [#1] PREEMPT SMP NOPTI
[   58.922872] CPU: 0 PID: 133 Comm: kworker/0:2 Tainted: G     U             6.0.0-rc3-imre+ torvalds#560
[   58.922874] Hardware name: Intel Corporation Alder Lake Client Platform/AlderLake-P DDR5 RVP, BIOS ADLPFWI1.R00.3135.A00.2203251419 03/25/2022
[   58.922874] Workqueue: events output_poll_execute [drm_kms_helper]
[   58.922879] RIP: 0010:intel_dp_mst_atomic_check+0xbb/0x1c0 [i915]
[   58.922955] Code: 5b 7b f6 ff 84 c0 75 41 48 8b 44 24 18 65 48 2b 04 25 28 00 00 00 0f 85 ff 00 00 00 48 8b 45 10 48 8b 93 10 07 00 00 4c 89 e7 <48> 8b b0 70 01 00 00 48 83 c4 20 5b 5d 48 81 c6 f0 0c 00 00 41 5c
[   58.922956] RSP: 0018:ffffc90000633a88 EFLAGS: 00010246
[   58.922957] RAX: 0000000000000000 RBX: ffff888117d19000 RCX: ffff888101893308
[   58.922958] RDX: ffff888122981000 RSI: ffffffff82309ecc RDI: ffff888114da6800
[   58.922959] RBP: ffff8881094bab48 R08: 0000000081917436 R09: 0000000068191743
[   58.922960] R10: 0000000000000001 R11: 0000000000000001 R12: ffff888114da6800
[   58.922960] R13: ffff8881143f8000 R14: 0000000000000000 R15: ffff888119bf2000
[   58.922961] FS:  0000000000000000(0000) GS:ffff888496200000(0000) knlGS:0000000000000000
[   58.922962] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.922962] CR2: 0000000000000170 CR3: 0000000005612004 CR4: 0000000000770ef0
[   58.922963] PKRU: 55555554
[   58.922963] Call Trace:
[   58.922964]  <TASK>
[   58.922966]  drm_atomic_helper_check_modeset+0x3f8/0xc70 [drm_kms_helper]
[   58.922972]  intel_atomic_check+0xb1/0x3180 [i915]
[   58.923059]  ? find_held_lock+0x2b/0x80
[   58.923064]  drm_atomic_check_only+0x5d3/0xa60 [drm]
[   58.923082]  drm_atomic_commit+0x56/0xc0 [drm]
[   58.923097]  ? drm_plane_get_damage_clips.cold+0x1c/0x1c [drm]
[   58.923114]  drm_client_modeset_commit_atomic+0x235/0x280 [drm]
[   58.923132]  drm_client_modeset_commit_locked+0x5b/0x190 [drm]
[   58.923148]  drm_client_modeset_commit+0x24/0x50 [drm]
[   58.923164]  drm_fb_helper_set_par+0xae/0xe0 [drm_kms_helper]
[   58.923171]  drm_fb_helper_hotplug_event+0xd5/0xf0 [drm_kms_helper]
[   58.923178]  output_poll_execute+0xac/0x200 [drm_kms_helper]
[   58.923187]  process_one_work+0x268/0x580
[   58.923190]  ? process_one_work+0x580/0x580
[   58.923191]  worker_thread+0x52/0x3b0
[   58.923193]  ? process_one_work+0x580/0x580
[   58.923195]  kthread+0xf0/0x120
[   58.923196]  ? kthread_complete_and_exit+0x20/0x20
[   58.923198]  ret_from_fork+0x1f/0x30
[   58.923202]  </TASK>

Fixes: ffac972 ("drm/display/dp_mst: Don't open code modeset checks for releasing time slots")
Cc: Lyude Paul <lyude@redhat.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220901161933.1004778-1-imre.deak@intel.com
staging-kernelci-org pushed a commit to kernelci/linux that referenced this pull request Oct 14, 2024
…ogs'

Alexis Lothoré says:

====================
this small series aims to increase coverage of xdp features in
test_progs. The initial versions proposed to rework test_xdp_features.sh
to make it fit in test_progs, but some discussions in v1 and v2 showed
that the script is still needed as a standalone tool. So this new
revision lets test_xdp_features.sh as-is, and rather adds missing
coverage in existing test (cpu map). The new revision is now also a
follow-up to the update performed by Florian Kauer in [1] for devmap
programs testing.

[1] https://lore.kernel.org/bpf/20240911-devel-koalo-fix-ingress-ifindex-v4-2-5c643ae10258@linutronix.de/
---
Changes in v3:
- Drop xdp_features rework commit
- update xdp_cpumap_attach to extend its coverage
- Link to v2: https://lore.kernel.org/r/20240910-convert_xdp_tests-v2-1-a46367c9d038@bootlin.com

Changes in v2:
- fix endianness management in userspace packet parsing (call htonl on
  constant rather than packet part)

The new test has been run in a local x86 environment and in CI:
 torvalds#560/1   xdp_cpumap_attach/CPUMAP with programs in entries:OK
 torvalds#560/2   xdp_cpumap_attach/CPUMAP with frags programs in entries:OK
 torvalds#560     xdp_cpumap_attach:OK
 Summary: 1/2 PASSED, 0 SKIPPED, 0 FAILED
====================

Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
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