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authorNelson Elhage <nelhage@ksplice.com>2010-12-08 19:13:55 +0100
committerDavid S. Miller <davem@davemloft.net>2010-12-08 21:13:42 +0100
commit0c62fc6dd02c8d793c75ae76a9b6881fc36388ad (patch)
tree49dbe734dc75fe318ca83e2eae823fbeae10dc48 /net
parentMerge branch 'sfc-2.6.37' of git://git.kernel.org/pub/scm/linux/kernel/git/bw... (diff)
downloadlinux-0c62fc6dd02c8d793c75ae76a9b6881fc36388ad.tar.xz
linux-0c62fc6dd02c8d793c75ae76a9b6881fc36388ad.zip
econet: Do the correct cleanup after an unprivileged SIOCSIFADDR.
We need to drop the mutex and do a dev_put, so set an error code and break like the other paths, instead of returning directly. Signed-off-by: Nelson Elhage <nelhage@ksplice.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/econet/af_econet.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/net/econet/af_econet.c b/net/econet/af_econet.c
index 13992e1d2726..f180371fa415 100644
--- a/net/econet/af_econet.c
+++ b/net/econet/af_econet.c
@@ -661,8 +661,10 @@ static int ec_dev_ioctl(struct socket *sock, unsigned int cmd, void __user *arg)
err = 0;
switch (cmd) {
case SIOCSIFADDR:
- if (!capable(CAP_NET_ADMIN))
- return -EPERM;
+ if (!capable(CAP_NET_ADMIN)) {
+ err = -EPERM;
+ break;
+ }
edev = dev->ec_ptr;
if (edev == NULL) {