xfs: check _btree_check_block value

Source kernel commit: 1e86eabe73b73c82e1110c746ed3ec6d5e1c0a0d

Check the _btree_check_block return value for the firstrec and lastrec
functions, since we have the ability to signal that the repositioning
did not succeed.

Fixes-coverity-id: 114067
Fixes-coverity-id: 114068
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>

diff --git a/libxfs/xfs_btree.c b/libxfs/xfs_btree.c
index 1d39245086bbdd0ce8c1a2cfc7d307b19753ae28..0ceba82a883cd6a5c6cd3607b6e80f3676550326 100644 (file)
--- a/libxfs/xfs_btree.c
+++ b/libxfs/xfs_btree.c
@@ -724,7 +724,8 @@ xfs_btree_firstrec(
         * Get the block pointer for this level.
         */
        block = xfs_btree_get_block(cur, level, &bp);
-       xfs_btree_check_block(cur, block, level, bp);
+       if (xfs_btree_check_block(cur, block, level, bp))
+               return 0;
        /*
         * It's empty, there is no such record.
         */
@@ -753,7 +754,8 @@ xfs_btree_lastrec(
         * Get the block pointer for this level.
         */
        block = xfs_btree_get_block(cur, level, &bp);
-       xfs_btree_check_block(cur, block, level, bp);
+       if (xfs_btree_check_block(cur, block, level, bp))
+               return 0;
        /*
         * It's empty, there is no such record.
         */