diff options
| author | Joonsoo Kim <iamjoonsoo.kim@lge.com> | 2014-06-23 13:22:07 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-07-17 16:21:06 -0700 |
| commit | 300e56a4b57a8be6f7aae7328bf23a4e32b53302 (patch) | |
| tree | af412912b42c3003118b387755b1fe1ec789d2e2 /kernel | |
| parent | 27e267077c53851cd33de9b7f0961d0b86a478c1 (diff) | |
DMA, CMA: fix possible memory leak
commit fe8eea4f4a3f299ef83ed090d5354698ebe4fda8 upstream.
We should free memory for bitmap when we find zone mismatch, otherwise
this memory will leak.
Additionally, I copy code comment from PPC KVM's CMA code to inform why
we need to check zone mis-match.
Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Acked-by: Zhang Yanfei <zhangyanfei@cn.fujitsu.com>
Reviewed-by: Michal Nazarewicz <mina86@mina86.com>
Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Cc: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Michal Nazarewicz <mina86@mina86.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Gleb Natapov <gleb@kernel.org>
Cc: Alexander Graf <agraf@suse.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'kernel')
0 files changed, 0 insertions, 0 deletions