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[RTNETLINK]: Possible dereference in net/core/rtnetlink.c

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another possible dereference spotted by coverity (#cid 1390).
if the nlmsg_parse() call fails, we goto errout, where we call
dev_put(), with dev still initialized to NULL.

Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Sesterhenn 2006-09-26 23:26:38 -07:00 committed by David S. Miller
parent 753ed90d92
commit 9918f23096
1 changed files with 1 additions and 1 deletions
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net/core/rtnetlink.c
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@ -562,7 +562,7 @@ static int rtnl_getlink(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg)
err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFLA_MAX, ifla_policy); err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFLA_MAX, ifla_policy);
if (err < 0) if (err < 0)
goto errout; return err;
ifm = nlmsg_data(nlh); ifm = nlmsg_data(nlh);
if (ifm->ifi_index >= 0) { if (ifm->ifi_index >= 0) {