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From: "Darrick J. Wong" <darrick.wong@oracle.com>
To: xfs <linux-xfs@vger.kernel.org>
Cc: Brian Foster <bfoster@redhat.com>
Subject: [PATCH] xfs: fix incorrect test in xfs_alloc_ag_vextent_lastblock
Date: Mon, 16 Mar 2020 08:31:55 -0700	[thread overview]
Message-ID: <20200316153155.GE256767@magnolia> (raw)

From: Darrick J. Wong <darrick.wong@oracle.com>

When I lifted the code in xfs_alloc_ag_vextent_lastblock out of a loop,
I forgot to convert all the accesses to len to be pointer dereferences.

Coverity-id: 1457918
Fixes: 5113f8ec3753ed ("xfs: clean up weird while loop in xfs_alloc_ag_vextent_near")
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
---
 fs/xfs/libxfs/xfs_alloc.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c
index 337822115bbc..203e74fa64aa 100644
--- a/fs/xfs/libxfs/xfs_alloc.c
+++ b/fs/xfs/libxfs/xfs_alloc.c
@@ -1514,7 +1514,7 @@ xfs_alloc_ag_vextent_lastblock(
 	 * maxlen, go to the start of this block, and skip all those smaller
 	 * than minlen.
 	 */
-	if (len || args->alignment > 1) {
+	if (*len || args->alignment > 1) {
 		acur->cnt->bc_ptrs[0] = 1;
 		do {
 			error = xfs_alloc_get_rec(acur->cnt, bno, len, &i);

             reply	other threads:[~2020-03-16 15:32 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-16 15:31 Darrick J. Wong [this message]
2020-03-16 15:34 ` [PATCH] xfs: fix incorrect test in xfs_alloc_ag_vextent_lastblock Brian Foster
2020-03-17 18:34 ` Christoph Hellwig

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