[PATCH v2] fix dmaengine_unmap failure
dan.j.williams at intel.com
Thu Apr 10 14:03:40 EST 2014
On Wed, Mar 19, 2014 at 11:33 PM, <xuelin.shi at freescale.com> wrote:
> From: Xuelin Shi <xuelin.shi at freescale.com>
> The count which is used to get_unmap_data maybe not the same as the
> count computed in dmaengine_unmap which causes to free data in a
> wrong pool.
> This patch fixes this issue by keeping the map count with unmap_data
> structure and use this count to get the pool.
> Signed-off-by: Xuelin Shi <xuelin.shi at freescale.com>
> change history:
> v1: keep mempool pointer with unmap struct
> v2: keep u8 map_cnt instead of mempool pointer to save mem.
Looks good, but please next time remember to prefix your subject line. I.e.
"dmaengine: fix dmaengine_unmap failure"
I'll fix this up.
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