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netpoll: fix an uninitialized variable 

Fengguang reported:

   net/core/netpoll.c: In function 'netpoll_setup':
   net/core/netpoll.c:1049:6: warning: 'err' may be used uninitialized in this function [-Wmaybe-uninitialized]

in !CONFIG_IPV6 case, we may error out without initializing
'err'.

Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Cong Wang 2013-01-22 17:39:11 +00:00 committed by David S. Miller
parent 9647bb80a5
commit e39363a9de
1 changed files with 1 additions and 0 deletions
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net/core/netpoll.c
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@ -1140,6 +1140,7 @@ int netpoll_setup(struct netpoll *np)
#else #else
np_err(np, "IPv6 is not supported %s, aborting\n", np_err(np, "IPv6 is not supported %s, aborting\n",
np->dev_name); np->dev_name);
err = -EINVAL;
goto put; goto put;
#endif #endif
} }