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ARM: OMAP4: hsmmc: check for null pointer
platform_device pdev can be NULL if CONFIG_MMC_OMAP_HS is not set. Add check for NULL pointer. while at it move the duplicated functions to omap4-common.c Fixes the following boot crash seen with omap4sdp and omap4panda when MMC is disabled. Unable to handle kernel NULL pointer dereference at virtual address 0000008c pgd = c0004000 [0000008c] *pgd=00000000 Internal error: Oops: 5 [#1] SMP ARM Modules linked in: CPU: 0 Not tainted (3.4.0-rc1-05971-ga4dfa82 #4) PC is at omap_4430sdp_init+0x184/0x410 LR is at device_add+0x1a0/0x664 Signed-off-by: Balaji T K <email@example.com> Reported-by: Santosh Shilimkar <firstname.lastname@example.org> Signed-off-by: Tony Lindgren <email@example.com>
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