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authorDarrick J. Wong <darrick.wong@oracle.com>2018-06-21 23:26:57 -0700
committerDarrick J. Wong <darrick.wong@oracle.com>2018-06-24 11:56:36 -0700
commit232d0a24b0fc197c50e95fe65f236027b5fa1b74 (patch)
tree5292bd93c732e6fc5e10c79d77386b22fccc9d3b /fs/xfs
parent5bd88d153998c1b189fdeb8b8bd4cce36b5acf62 (diff)
downloadlinux-232d0a24b0fc197c50e95fe65f236027b5fa1b74.tar.bz2
xfs: fix uninitialized field in rtbitmap fsmap backend
Initialize the extent count field of the high key so that when we use the high key to synthesize an 'unknown owner' record (i.e. used space record) at the end of the queried range we have a field with which to compute rm_blockcount. This is not strictly necessary because the synthesizer never uses the rm_blockcount field, but we can shut up the static code analysis anyway. Coverity-id: 1437358 Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Allison Henderson <allison.henderson@oracle.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'fs/xfs')
-rw-r--r--fs/xfs/xfs_fsmap.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/xfs/xfs_fsmap.c b/fs/xfs/xfs_fsmap.c
index c34fa9c342f2..c7157bc48bd1 100644
--- a/fs/xfs/xfs_fsmap.c
+++ b/fs/xfs/xfs_fsmap.c
@@ -513,8 +513,8 @@ xfs_getfsmap_rtdev_rtbitmap_query(
struct xfs_trans *tp,
struct xfs_getfsmap_info *info)
{
- struct xfs_rtalloc_rec alow;
- struct xfs_rtalloc_rec ahigh;
+ struct xfs_rtalloc_rec alow = { 0 };
+ struct xfs_rtalloc_rec ahigh = { 0 };
int error;
xfs_ilock(tp->t_mountp->m_rbmip, XFS_ILOCK_SHARED);