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author | YueHaibing <yuehaibing@huawei.com> | 2018-07-19 10:27:13 +0800 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-09-05 09:16:20 +0200 |
commit | 4794000789d6007de094dbbeb37feca05e05c0e2 (patch) | |
tree | 0f6b0a62153add7aaf053c627e3cb977d1bc269e | |
parent | 944dbf3b36cffd8d180c46545a5e5dc66f360d72 (diff) | |
download | linux-stable-4794000789d6007de094dbbeb37feca05e05c0e2.tar.gz linux-stable-4794000789d6007de094dbbeb37feca05e05c0e2.tar.bz2 linux-stable-4794000789d6007de094dbbeb37feca05e05c0e2.zip |
net: caif: Add a missing rcu_read_unlock() in caif_flow_cb
[ Upstream commit 64119e05f7b31e83e2555f6782e6cdc8f81c63f4 ]
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: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r-- | net/caif/caif_dev.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/net/caif/caif_dev.c b/net/caif/caif_dev.c index edbca468fa73..d8e56a5c1a94 100644 --- a/net/caif/caif_dev.c +++ b/net/caif/caif_dev.c @@ -131,8 +131,10 @@ static void caif_flow_cb(struct sk_buff *skb) caifd = caif_get(skb->dev); WARN_ON(caifd == NULL); - if (caifd == NULL) + if (!caifd) { + rcu_read_unlock(); return; + } caifd_hold(caifd); rcu_read_unlock(); |