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xfs: perag may be null in xfs_imap()
Dan Carpenter's static checker reported: The patch7b13c51551
: "xfs: use perag for ialloc btree cursors" from Jun 2, 2021, leads to the following Smatch complaint: fs/xfs/libxfs/xfs_ialloc.c:2403 xfs_imap() error: we previously assumed 'pag' could be null (see line 2294) And it's right. Fix it. Fixes:7b13c51551
("xfs: use perag for ialloc btree cursors") Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Darrick J. Wong <djwong@kernel.org> Signed-off-by: Darrick J. Wong <djwong@kernel.org> Reviewed-by: Allison Henderson <allison.henderson@oracle.com>
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1 changed files with 2 additions and 1 deletions
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@ -2398,7 +2398,8 @@ xfs_imap(
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}
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error = 0;
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out_drop:
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xfs_perag_put(pag);
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if (pag)
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xfs_perag_put(pag);
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return error;
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}
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