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net: Sanitize dump_links() function code

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Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
This commit is contained in:
Pavel Emelyanov
2013-09-10 12:45:42 +04:00
parent 9a6bc0fdab
commit 02650b0711
1 changed files with 4 additions and 9 deletions
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13
net.c
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@@ -180,7 +180,7 @@ static int dump_one_link(struct nlmsghdr *hdr, void *arg)
return ret;
}
static int do_dump_links(int (*cb)(struct nlmsghdr *h, void *), void *arg)
static int dump_links(struct cr_fdset *fds)
{
int sk, ret;
struct {
@@ -188,6 +188,8 @@ static int do_dump_links(int (*cb)(struct nlmsghdr *h, void *), void *arg)
struct rtgenmsg g;
} req;
pr_info("Dumping netns links\n");
ret = sk = socket(PF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
if (sk < 0) {
pr_perror("Can't open rtnl sock for net dump");
@@ -202,19 +204,12 @@ static int do_dump_links(int (*cb)(struct nlmsghdr *h, void *), void *arg)
req.nlh.nlmsg_seq = CR_NLMSG_SEQ;
req.g.rtgen_family = AF_PACKET;
ret = do_rtnl_req(sk, &req, sizeof(req), cb, arg);
ret = do_rtnl_req(sk, &req, sizeof(req), dump_one_link, fds);
close(sk);
out:
return ret;
}
static int dump_links(struct cr_fdset *fds)
{
pr_info("Dumping netns links\n");
return do_dump_links(dump_one_link, fds);
}
static int restore_link_cb(struct nlmsghdr *hdr, void *arg)
{
pr_info("Got response on SETLINK =)\n");