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[IPV4]: Small style cleanup of the error path in rtm_to_ifaddr. 

Remove error code assignment inside brackets on failure. The code
looks better if the error is assigned before condition check. Also,
the compiler treats this better.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Denis V. Lunev 2008-01-31 18:47:00 -08:00 committed by David S. Miller
parent dce5cbeec3
commit 7b2185747c
1 changed files with 8 additions and 13 deletions
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21
net/ipv4/devinet.c
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@ -492,39 +492,34 @@ static struct in_ifaddr *rtm_to_ifaddr(struct nlmsghdr *nlh)
struct ifaddrmsg *ifm;
struct net_device *dev;
struct in_device *in_dev;
int err = -EINVAL;
int err;
err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, ifa_ipv4_policy);
if (err < 0)
goto errout;
ifm = nlmsg_data(nlh);
if (ifm->ifa_prefixlen > 32 || tb[IFA_LOCAL] == NULL) {
err = -EINVAL;
err = -EINVAL;
if (ifm->ifa_prefixlen > 32 || tb[IFA_LOCAL] == NULL)
goto errout;
}
dev = __dev_get_by_index(&init_net, ifm->ifa_index);
if (dev == NULL) {
err = -ENODEV;
err = -ENODEV;
if (dev == NULL)
goto errout;
}
in_dev = __in_dev_get_rtnl(dev);
if (in_dev == NULL) {
err = -ENOBUFS;
err = -ENOBUFS;
if (in_dev == NULL)
goto errout;
}
ifa = inet_alloc_ifa();
if (ifa == NULL) {
if (ifa == NULL)
/*
* A potential indev allocation can be left alive, it stays
* assigned to its device and is destroy with it.
*/
err = -ENOBUFS;
goto errout;
}
ipv4_devconf_setall(in_dev);
in_dev_hold(in_dev);