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NET: netpoll, fix potential NULL ptr dereference

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Stanse found that one error path in netpoll_setup dereferences npinfo
even though it is NULL. Avoid that by adding new label and go to that
instead.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Daniel Borkmann <danborkmann@googlemail.com>
Cc: David S. Miller <davem@davemloft.net>
Acked-by: chavey@google.com
Acked-by: Matt Mackall <mpm@selenic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Slaby 2010-03-16 05:29:54 +00:00 committed by David S. Miller
parent a2f46ee1ba
commit 21edbb223e
1 changed files with 2 additions and 2 deletions
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4
net/core/netpoll.c
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@ -735,7 +735,7 @@ int netpoll_setup(struct netpoll *np)
npinfo = kmalloc(sizeof(*npinfo), GFP_KERNEL);
if (!npinfo) {
err = -ENOMEM;
goto release;
goto put;
}
npinfo->rx_flags = 0;
@ -845,7 +845,7 @@ int netpoll_setup(struct netpoll *np)
kfree(npinfo);
}
put:
dev_put(ndev);
return err;
}