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xfs: ubsan fixes
authorDarrick J. Wong <darrick.wong@oracle.com>
Mon, 27 Nov 2017 17:50:17 +0000 (09:50 -0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 3 Feb 2018 16:04:29 +0000 (17:04 +0100)
commitdfd0feb42fc522a934e8b77fd8c2353f2c25f5af
treeda7f87e1d180ad0e93a8852b7428200e3da96488
parent15e1f5cf9bff882d6948c38a6e61780e55d39c16
xfs: ubsan fixes

[ Upstream commit 22a6c83777ac7c17d6c63891beeeac24cf5da450 ]

Fix some complaints from the UBSAN about signed integer addition overflows.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
fs/xfs/xfs_aops.c