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authorStefan Roese <sr@denx.de>2016-06-01 12:43:32 +0200
committerVinod Koul <vinod.koul@intel.com>2016-06-07 12:44:23 +0530
commit5156463588c3999b630d9ffc6061a54962f3c2d9 (patch)
treefa3d42f206446c6c36cb43367fdbba2f44018a81 /drivers/hwtracing
parent9295c41d77ca93aac79cfca6fa09fa1ca5cab66f (diff)
downloadop-kernel-dev-5156463588c3999b630d9ffc6061a54962f3c2d9.zip
op-kernel-dev-5156463588c3999b630d9ffc6061a54962f3c2d9.tar.gz
dmaengine: mv_xor: Fix incorrect offset in dma_map_page()
Upon booting, I occasionally spotted some BUGs triggered by the internal DMA test routine executed upon driver probing. This was detected by SLUB_DEBUG ("Freechain corrupt" or "Redzone overwritten"). Tracking this down located a problem in passing 0 as offset in dma_map_page(). As kmalloc, especially when used with SLUB_DEBUG, may return a non page aligned address. This patch fixes this issue by passing the correct offset in dma_map_page(). Tested on a custom Armada XP board. Signed-off-by: Stefan Roese <sr@denx.de> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Cc: Gregory CLEMENT <gregory.clement@free-electrons.com> Cc: Marcin Wojtas <mw@semihalf.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/hwtracing')
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