xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

xfs: set firstfsb to NULLFSBLOCK before feeding it to _bmapi_write

Browse Source 
We must initialize the firstfsb parameter to _bmapi_write so that it
doesn't incorrectly treat stack garbage as a restriction on which AGs
it can search for free space.

Fixes-coverity-id: 1402025
Fixes-coverity-id: 1415167
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
This commit is contained in:
Darrick J. Wong
2017-07-17 14:30:51 -07:00
parent 1e86eabe73
commit 4c1a67bd36
2 changed files with 10 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
fs/xfs/xfs_reflink.c
View File

@@ -329,7 +329,7 @@ xfs_reflink_convert_cow_extent(
xfs_filblks_t count_fsb,
struct xfs_defer_ops *dfops)
{
xfs_fsblock_t first_block;
xfs_fsblock_t first_block = NULLFSBLOCK;
int nimaps = 1;
if (imap->br_state == XFS_EXT_NORM)