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Commit 7b218574 authored by Denis V. Lunev's avatar Denis V. Lunev Committed by David S. Miller
Browse files

[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: default avatarDenis V. Lunev <den@openvz.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent dce5cbee

net/ipv4/devinet.c

+8 −13
Original line number Diff line number Diff line
@@ -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;

	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;

	if (dev == NULL)

		goto errout;

	}



	in_dev = __in_dev_get_rtnl(dev);

	if (in_dev == NULL) {

	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);