xfs: fix return of uninitialized value in variable error
stable inclusion from stable-5.10.37 commit 80cff3e1167021d5c5d821ef267b7b79eeec8865 bugzilla: 51868 CVE: NA -------------------------------- [ Upstream commit 3b6dd9a9 ] A previous commit removed a call to xfs_attr3_leaf_read that assigned an error return code to variable error. We now have a few early error return paths to label 'out' that return error if error is set; however error now is uninitialized so potentially garbage is being returned. Fix this by setting error to zero to restore the original behaviour where error was zero at the label 'restart'. Addresses-Coverity: ("Uninitialized scalar variable") Fixes: 07120f1a ("xfs: Add xfs_has_attr and subroutines") Signed-off-by: NColin Ian King <colin.king@canonical.com> Reviewed-by: NBrian Foster <bfoster@redhat.com> Reviewed-by: NDarrick J. Wong <djwong@kernel.org> Signed-off-by: NDarrick J. Wong <djwong@kernel.org> Signed-off-by: NSasha Levin <sashal@kernel.org> Signed-off-by: NChen Jun <chenjun102@huawei.com> Acked-by: NWeilong Chen <chenweilong@huawei.com> Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>
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