dma-debug: add comment for failed to check map error
authorMiles Chen <miles.chen@mediatek.com>
Wed, 22 Feb 2017 23:40:09 +0000 (15:40 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Thu, 23 Feb 2017 00:41:26 +0000 (16:41 -0800)
commita5759b2bffa807a727cbf6790ecdc4df2ae8e4d4
tree5173968a55e0108695940050b419cab596bc9d37
parentf42003917b4569a2f4f0c79c35e1e3df2859f81a
dma-debug: add comment for failed to check map error

Add comment for failure to check a map error to help driver developers.

Link: http://lkml.kernel.org/r/1484622289-22085-1-git-send-email-miles.chen@mediatek.com
Signed-off-by: Miles Chen <miles.chen@mediatek.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
lib/dma-debug.c