libxfs: fix simple_return.cocci warnings

fs/xfs/libxfs/xfs_ialloc.c:1141:1-6: WARNING: end returns can be simpified

 Simplify a trivial if-return sequence.  Possibly combine with a
 preceding function call.
Generated by: scripts/coccinelle/misc/simple_return.cocci

Signed-off-by: Fengguang Wu <[email protected]>
Reviewed-by: Dave Chinner <[email protected]>
Signed-off-by: Dave Chinner <[email protected]>

diff --git a/fs/xfs/libxfs/xfs_ialloc.c b/fs/xfs/libxfs/xfs_ialloc.c
index 23dcb72..705a753 100644
--- a/fs/xfs/libxfs/xfs_ialloc.c
+++ b/fs/xfs/libxfs/xfs_ialloc.c
@@ -1137,11 +1137,7 @@
 	XFS_WANT_CORRUPTED_RETURN((rec.ir_free == frec->ir_free) &&
 				  (rec.ir_freecount == frec->ir_freecount));
 
-	error = xfs_inobt_update(cur, &rec);
-	if (error)
-		return error;
-
-	return 0;
+	return xfs_inobt_update(cur, &rec);
 }
 
 /*