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dm vdo flush: initialize return to NULL in allocate_flush

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Otherwise, error path could result in allocate_flush's subsequent
check for flush being non-NULL leading to false positive.

Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Susan LeGendre-McGhee <slegendr@redhat.com>
Signed-off-by: Matthew Sakai <msakai@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
This commit is contained in:
Mike Snitzer 2024-02-11 14:07:18 -05:00
parent 672fc9b8c0
commit b259c1a60c
1 changed files with 1 additions and 1 deletions
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2
drivers/md/dm-vdo/flush.c
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@ -100,7 +100,7 @@ static struct vdo_flush *vdo_waiter_as_flush(struct vdo_waiter *waiter)
static void *allocate_flush(gfp_t gfp_mask, void *pool_data)
{
struct vdo_flush *flush;
struct vdo_flush *flush = NULL;
if ((gfp_mask & GFP_NOWAIT) == GFP_NOWAIT) {
flush = uds_allocate_memory_nowait(sizeof(struct vdo_flush), __func__);