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(parent: 66d19ae) | patch
xfs: check _alloc_read_agf buffer pointer before using
authorDarrick J. Wong <darrick.wong@oracle.com>
Mon, 31 Jul 2017 20:08:13 +0000 (15:08 -0500)
committerEric Sandeen <sandeen@redhat.com>
Mon, 31 Jul 2017 20:08:13 +0000 (15:08 -0500)
commitd705962a19dc6b3e8db9530b6f7571ea0220682f
tree4f869450bc4e9ed6ffe6f8b42598fd27748d9e84tree | snapshot
parent66d19ae11974b6a9e6e49b1277993af98d6a98dfcommit | diff
xfs: check _alloc_read_agf buffer pointer before using

Source kernel commit: 10479e2dea83d4c421ad05dfc55d918aa8dfc0cd

In some circumstances, _alloc_read_agf can return an error code of zero
but also a null AGF buffer pointer.  Check for this and jump out.

Fixes-coverity-id: 1415250
Fixes-coverity-id: 1415320
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
libxfs/xfs_refcount.c diff | blob | blame | history
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