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netlink: Deletion of an unnecessary check before the function call "__module_get"
author
Markus Elfring
<elfring@users.sourceforge.net>
Tue, 18 Nov 2014 20:03:13 +0000
(21:03 +0100)
committer
David S. Miller
<davem@davemloft.net>
Wed, 19 Nov 2014 20:27:40 +0000
(15:27 -0500)
The __module_get() function tests whether its argument is NULL and then
returns immediately. Thus the test around the call is not needed.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/netlink/af_netlink.c
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diff --git
a/net/netlink/af_netlink.c
b/net/netlink/af_netlink.c
index
d479b32
..
e1aad6e
100644
(file)
--- a/
net/netlink/af_netlink.c
+++ b/
net/netlink/af_netlink.c
@@
-142,8
+142,7
@@
int netlink_add_tap(struct netlink_tap *nt)
list_add_rcu(&nt->list, &netlink_tap_all);
spin_unlock(&netlink_tap_lock);
- if (nt->module)
- __module_get(nt->module);
+ __module_get(nt->module);
return 0;
}