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-Wimplicit-fallthrough in drivers/net/ethernet/intel/ice/ice_lib.c #1482

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nathanchance opened this issue Oct 19, 2021 · 2 comments
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-Wimplicit-fallthrough [BUG] linux-next This is an issue only seen in linux-next [FIXED][LINUX] development cycle This bug was only present and fixed in a -next or -rc cycle

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@nathanchance
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drivers/net/ethernet/intel/ice/ice_lib.c:1906:2: error: unannotated fall-through between switch labels [-Werror,-Wimplicit-fallthrough]
        default:
        ^
drivers/net/ethernet/intel/ice/ice_lib.c:1906:2: note: insert 'break;' to avoid fall-through
        default:
        ^
        break;
1 error generated.

Patch submitted: https://lore.kernel.org/r/20211019014203.1926130-1-nathan@kernel.org/

@nathanchance nathanchance added [PATCH] Submitted A patch has been submitted for review [BUG] linux-next This is an issue only seen in linux-next -Wimplicit-fallthrough labels Oct 19, 2021
@nathanchance nathanchance self-assigned this Oct 19, 2021
@nathanchance
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@nathanchance nathanchance added [PATCH] Accepted A submitted patch has been accepted upstream and removed [PATCH] Submitted A patch has been submitted for review labels Oct 21, 2021
fengguang pushed a commit to 0day-ci/linux that referenced this issue Oct 21, 2021
Clang warns:

drivers/net/ethernet/intel/ice/ice_lib.c:1906:2: error: unannotated fall-through between switch labels [-Werror,-Wimplicit-fallthrough]
        default:
        ^
drivers/net/ethernet/intel/ice/ice_lib.c:1906:2: note: insert 'break;' to avoid fall-through
        default:
        ^
        break;
1 error generated.

Clang is a little more pedantic than GCC, which does not warn when
falling through to a case that is just break or return. Clang's version
is more in line with the kernel's own stance in deprecated.rst, which
states that all switch/case blocks must end in either break,
fallthrough, continue, goto, or return. Add the missing break to silence
the warning.

Link: ClangBuiltLinux#1482
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
fengguang pushed a commit to 0day-ci/linux that referenced this issue Oct 25, 2021
Clang warns:

drivers/net/ethernet/intel/ice/ice_lib.c:1906:2: error: unannotated fall-through between switch labels [-Werror,-Wimplicit-fallthrough]
        default:
        ^
drivers/net/ethernet/intel/ice/ice_lib.c:1906:2: note: insert 'break;' to avoid fall-through
        default:
        ^
        break;
1 error generated.

Clang is a little more pedantic than GCC, which does not warn when
falling through to a case that is just break or return. Clang's version
is more in line with the kernel's own stance in deprecated.rst, which
states that all switch/case blocks must end in either break,
fallthrough, continue, goto, or return. Add the missing break to silence
the warning.

Link: ClangBuiltLinux#1482
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
fengguang pushed a commit to 0day-ci/linux that referenced this issue Oct 26, 2021
Clang warns:

drivers/net/ethernet/intel/ice/ice_lib.c:1906:2: error: unannotated fall-through between switch labels [-Werror,-Wimplicit-fallthrough]
        default:
        ^
drivers/net/ethernet/intel/ice/ice_lib.c:1906:2: note: insert 'break;' to avoid fall-through
        default:
        ^
        break;
1 error generated.

Clang is a little more pedantic than GCC, which does not warn when
falling through to a case that is just break or return. Clang's version
is more in line with the kernel's own stance in deprecated.rst, which
states that all switch/case blocks must end in either break,
fallthrough, continue, goto, or return. Add the missing break to silence
the warning.

Link: ClangBuiltLinux#1482
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
fengguang pushed a commit to 0day-ci/linux that referenced this issue Oct 27, 2021
Clang warns:

drivers/net/ethernet/intel/ice/ice_lib.c:1906:2: error: unannotated fall-through between switch labels [-Werror,-Wimplicit-fallthrough]
        default:
        ^
drivers/net/ethernet/intel/ice/ice_lib.c:1906:2: note: insert 'break;' to avoid fall-through
        default:
        ^
        break;
1 error generated.

Clang is a little more pedantic than GCC, which does not warn when
falling through to a case that is just break or return. Clang's version
is more in line with the kernel's own stance in deprecated.rst, which
states that all switch/case blocks must end in either break,
fallthrough, continue, goto, or return. Add the missing break to silence
the warning.

Link: ClangBuiltLinux#1482
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
fengguang pushed a commit to 0day-ci/linux that referenced this issue Oct 28, 2021
Clang warns:

drivers/net/ethernet/intel/ice/ice_lib.c:1906:2: error: unannotated fall-through between switch labels [-Werror,-Wimplicit-fallthrough]
        default:
        ^
drivers/net/ethernet/intel/ice/ice_lib.c:1906:2: note: insert 'break;' to avoid fall-through
        default:
        ^
        break;
1 error generated.

Clang is a little more pedantic than GCC, which does not warn when
falling through to a case that is just break or return. Clang's version
is more in line with the kernel's own stance in deprecated.rst, which
states that all switch/case blocks must end in either break,
fallthrough, continue, goto, or return. Add the missing break to silence
the warning.

Link: ClangBuiltLinux#1482
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
fengguang pushed a commit to 0day-ci/linux that referenced this issue Oct 29, 2021
Clang warns:

drivers/net/ethernet/intel/ice/ice_lib.c:1906:2: error: unannotated fall-through between switch labels [-Werror,-Wimplicit-fallthrough]
        default:
        ^
drivers/net/ethernet/intel/ice/ice_lib.c:1906:2: note: insert 'break;' to avoid fall-through
        default:
        ^
        break;
1 error generated.

Clang is a little more pedantic than GCC, which does not warn when
falling through to a case that is just break or return. Clang's version
is more in line with the kernel's own stance in deprecated.rst, which
states that all switch/case blocks must end in either break,
fallthrough, continue, goto, or return. Add the missing break to silence
the warning.

Link: ClangBuiltLinux#1482
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
idosch pushed a commit to jpirko/linux_mlxsw that referenced this issue Oct 29, 2021
Clang warns:

drivers/net/ethernet/intel/ice/ice_lib.c:1906:2: error: unannotated fall-through between switch labels [-Werror,-Wimplicit-fallthrough]
        default:
        ^
drivers/net/ethernet/intel/ice/ice_lib.c:1906:2: note: insert 'break;' to avoid fall-through
        default:
        ^
        break;
1 error generated.

Clang is a little more pedantic than GCC, which does not warn when
falling through to a case that is just break or return. Clang's version
is more in line with the kernel's own stance in deprecated.rst, which
states that all switch/case blocks must end in either break,
fallthrough, continue, goto, or return. Add the missing break to silence
the warning.

Link: ClangBuiltLinux/linux#1482
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Gurucharan G <gurucharanx.g@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
@nathanchance
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@nathanchance nathanchance added [FIXED][LINUX] development cycle This bug was only present and fixed in a -next or -rc cycle and removed [PATCH] Accepted A submitted patch has been accepted upstream labels Nov 2, 2021
mseaster-wr pushed a commit to WindRiver-Labs/linux-yocto-5.2 that referenced this issue Jan 26, 2022
commit 370764e60b183eee671e90e62510c2684f4ea849 upstream.

Clang warns:

drivers/net/ethernet/intel/ice/ice_lib.c:1906:2: error: unannotated fall-through between switch labels [-Werror,-Wimplicit-fallthrough]
        default:
        ^
drivers/net/ethernet/intel/ice/ice_lib.c:1906:2: note: insert 'break;' to avoid fall-through
        default:
        ^
        break;
1 error generated.

Clang is a little more pedantic than GCC, which does not warn when
falling through to a case that is just break or return. Clang's version
is more in line with the kernel's own stance in deprecated.rst, which
states that all switch/case blocks must end in either break,
fallthrough, continue, goto, or return. Add the missing break to silence
the warning.

Link: ClangBuiltLinux/linux#1482
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Gurucharan G <gurucharanx.g@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Liwei Song <liwei.song@windriver.com>
mseaster-wr pushed a commit to WindRiver-Labs/linux-yocto-5.2 that referenced this issue Jan 26, 2022
commit 370764e60b183eee671e90e62510c2684f4ea849 upstream.

Clang warns:

drivers/net/ethernet/intel/ice/ice_lib.c:1906:2: error: unannotated fall-through between switch labels [-Werror,-Wimplicit-fallthrough]
        default:
        ^
drivers/net/ethernet/intel/ice/ice_lib.c:1906:2: note: insert 'break;' to avoid fall-through
        default:
        ^
        break;
1 error generated.

Clang is a little more pedantic than GCC, which does not warn when
falling through to a case that is just break or return. Clang's version
is more in line with the kernel's own stance in deprecated.rst, which
states that all switch/case blocks must end in either break,
fallthrough, continue, goto, or return. Add the missing break to silence
the warning.

Link: ClangBuiltLinux/linux#1482
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Gurucharan G <gurucharanx.g@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Liwei Song <liwei.song@windriver.com>
mseaster-wr pushed a commit to WindRiver-Labs/linux-yocto-5.2 that referenced this issue Jan 26, 2022
commit 370764e60b183eee671e90e62510c2684f4ea849 upstream.

Clang warns:

drivers/net/ethernet/intel/ice/ice_lib.c:1906:2: error: unannotated fall-through between switch labels [-Werror,-Wimplicit-fallthrough]
        default:
        ^
drivers/net/ethernet/intel/ice/ice_lib.c:1906:2: note: insert 'break;' to avoid fall-through
        default:
        ^
        break;
1 error generated.

Clang is a little more pedantic than GCC, which does not warn when
falling through to a case that is just break or return. Clang's version
is more in line with the kernel's own stance in deprecated.rst, which
states that all switch/case blocks must end in either break,
fallthrough, continue, goto, or return. Add the missing break to silence
the warning.

Link: ClangBuiltLinux/linux#1482
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Gurucharan G <gurucharanx.g@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Liwei Song <liwei.song@windriver.com>
haokexin pushed a commit to haokexin/linux that referenced this issue Jun 29, 2023
commit 370764e upstream.

Clang warns:

drivers/net/ethernet/intel/ice/ice_lib.c:1906:2: error: unannotated fall-through between switch labels [-Werror,-Wimplicit-fallthrough]
        default:
        ^
drivers/net/ethernet/intel/ice/ice_lib.c:1906:2: note: insert 'break;' to avoid fall-through
        default:
        ^
        break;
1 error generated.

Clang is a little more pedantic than GCC, which does not warn when
falling through to a case that is just break or return. Clang's version
is more in line with the kernel's own stance in deprecated.rst, which
states that all switch/case blocks must end in either break,
fallthrough, continue, goto, or return. Add the missing break to silence
the warning.

Link: ClangBuiltLinux/linux#1482
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Gurucharan G <gurucharanx.g@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Liwei Song <liwei.song@windriver.com>
2005songliwei pushed a commit to 2005songliwei/linux-yocto-pull that referenced this issue Jun 29, 2023
commit 370764e upstream.

Clang warns:

drivers/net/ethernet/intel/ice/ice_lib.c:1906:2: error: unannotated fall-through between switch labels [-Werror,-Wimplicit-fallthrough]
        default:
        ^
drivers/net/ethernet/intel/ice/ice_lib.c:1906:2: note: insert 'break;' to avoid fall-through
        default:
        ^
        break;
1 error generated.

Clang is a little more pedantic than GCC, which does not warn when
falling through to a case that is just break or return. Clang's version
is more in line with the kernel's own stance in deprecated.rst, which
states that all switch/case blocks must end in either break,
fallthrough, continue, goto, or return. Add the missing break to silence
the warning.

Link: ClangBuiltLinux/linux#1482
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Gurucharan G <gurucharanx.g@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Liwei Song <liwei.song@windriver.com>
2005songliwei pushed a commit to 2005songliwei/linux-yocto-pull that referenced this issue Jun 29, 2023
commit 370764e upstream.

Clang warns:

drivers/net/ethernet/intel/ice/ice_lib.c:1906:2: error: unannotated fall-through between switch labels [-Werror,-Wimplicit-fallthrough]
        default:
        ^
drivers/net/ethernet/intel/ice/ice_lib.c:1906:2: note: insert 'break;' to avoid fall-through
        default:
        ^
        break;
1 error generated.

Clang is a little more pedantic than GCC, which does not warn when
falling through to a case that is just break or return. Clang's version
is more in line with the kernel's own stance in deprecated.rst, which
states that all switch/case blocks must end in either break,
fallthrough, continue, goto, or return. Add the missing break to silence
the warning.

Link: ClangBuiltLinux/linux#1482
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Gurucharan G <gurucharanx.g@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Liwei Song <liwei.song@windriver.com>
ddstreet pushed a commit to ddstreet/CBL-Mariner-Linux-Kernel that referenced this issue Nov 29, 2023
Clang warns:

drivers/net/ethernet/intel/ice/ice_lib.c:1906:2: error: unannotated fall-through between switch labels [-Werror,-Wimplicit-fallthrough]
        default:
        ^
drivers/net/ethernet/intel/ice/ice_lib.c:1906:2: note: insert 'break;' to avoid fall-through
        default:
        ^
        break;
1 error generated.

Clang is a little more pedantic than GCC, which does not warn when
falling through to a case that is just break or return. Clang's version
is more in line with the kernel's own stance in deprecated.rst, which
states that all switch/case blocks must end in either break,
fallthrough, continue, goto, or return. Add the missing break to silence
the warning.

Backported from upstream commit 370764e

Link: ClangBuiltLinux/linux#1482
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Gurucharan G <gurucharanx.g@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com>
ddstreet pushed a commit to ddstreet/CBL-Mariner-Linux-Kernel that referenced this issue Nov 29, 2023
Clang warns:

drivers/net/ethernet/intel/ice/ice_lib.c:1906:2: error: unannotated fall-through between switch labels [-Werror,-Wimplicit-fallthrough]
        default:
        ^
drivers/net/ethernet/intel/ice/ice_lib.c:1906:2: note: insert 'break;' to avoid fall-through
        default:
        ^
        break;
1 error generated.

Clang is a little more pedantic than GCC, which does not warn when
falling through to a case that is just break or return. Clang's version
is more in line with the kernel's own stance in deprecated.rst, which
states that all switch/case blocks must end in either break,
fallthrough, continue, goto, or return. Add the missing break to silence
the warning.

(cherry picked from commit commit 370764e)

Link: ClangBuiltLinux/linux#1482
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Gurucharan G <gurucharanx.g@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com>
ddstreet pushed a commit to ddstreet/CBL-Mariner-Linux-Kernel that referenced this issue Nov 29, 2023
Clang warns:

drivers/net/ethernet/intel/ice/ice_lib.c:1906:2: error: unannotated fall-through between switch labels [-Werror,-Wimplicit-fallthrough]
        default:
        ^
drivers/net/ethernet/intel/ice/ice_lib.c:1906:2: note: insert 'break;' to avoid fall-through
        default:
        ^
        break;
1 error generated.

Clang is a little more pedantic than GCC, which does not warn when
falling through to a case that is just break or return. Clang's version
is more in line with the kernel's own stance in deprecated.rst, which
states that all switch/case blocks must end in either break,
fallthrough, continue, goto, or return. Add the missing break to silence
the warning.

(cherry picked from commit 370764e)

Link: ClangBuiltLinux/linux#1482
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Gurucharan G <gurucharanx.g@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com>
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-Wimplicit-fallthrough [BUG] linux-next This is an issue only seen in linux-next [FIXED][LINUX] development cycle This bug was only present and fixed in a -next or -rc cycle
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