Messages in this thread Patch in this message | | | From | Ben Hutchings <> | Date | Sun, 11 Nov 2018 19:49:05 +0000 | Subject | [PATCH 3.16 275/366] net: caif: Add a missing rcu_read_unlock() in caif_flow_cb |
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3.16.61-rc1 review patch. If anyone has any objections, please let me know.
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From: YueHaibing <yuehaibing@huawei.com>
commit 64119e05f7b31e83e2555f6782e6cdc8f81c63f4 upstream.
Add a missing rcu_read_unlock in the error path
Fixes: c95567c80352 ("caif: added check for potential null return") Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Ben Hutchings <ben@decadent.org.uk> --- net/caif/caif_dev.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
--- a/net/caif/caif_dev.c +++ b/net/caif/caif_dev.c @@ -131,8 +131,10 @@ static void caif_flow_cb(struct sk_buff caifd = caif_get(skb->dev); WARN_ON(caifd == NULL); - if (caifd == NULL) + if (!caifd) { + rcu_read_unlock(); return; + } caifd_hold(caifd); rcu_read_unlock();
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