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net/ipv4: cleanup error condition testing 

Cleanup testing for error condition.

Signed-off-by: Pavel Machek <pavel@denx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
alistair/sunxi64-5.4-dsi
Pavel Machek 2019-07-24 13:56:37 -07:00 committed by David S. Miller
parent d86afb8930
commit c7148c03db
1 changed files with 1 additions and 1 deletions
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2
net/ipv4/inet_fragment.c
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@ -331,7 +331,7 @@ struct inet_frag_queue *inet_frag_find(struct fqdir *fqdir, void *key)
prev = rhashtable_lookup(&fqdir->rhashtable, key, fqdir->f->rhash_params);
if (!prev)
fq = inet_frag_create(fqdir, key, &prev);
if (prev && !IS_ERR(prev)) {
if (!IS_ERR_OR_NULL(prev)) {
fq = prev;
if (!refcount_inc_not_zero(&fq->refcnt))
fq = NULL;