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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2017-05-02 13:58:53 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-05-02 15:34:53 -0400 |
| commit | ee0d8d8482345ff97a75a7d747efc309f13b0d80 (patch) | |
| tree | 3f717a7aa3a5595cf6b3a08b0658dcd4fb87f1c6 | |
| parent | 9da3242e6a83b6f315aa9c394c939da8e4ad7774 (diff) | |
| download | linux-ee0d8d8482345ff97a75a7d747efc309f13b0d80.tar.bz2 | |
ipx: call ipxitf_put() in ioctl error path
We should call ipxitf_put() if the copy_to_user() fails.
Reported-by: 李强 <liqiang6-s@360.cn>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/ipx/af_ipx.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/net/ipx/af_ipx.c b/net/ipx/af_ipx.c index 8a9219ff2e77..fa31ef29e3fa 100644 --- a/net/ipx/af_ipx.c +++ b/net/ipx/af_ipx.c @@ -1168,11 +1168,10 @@ static int ipxitf_ioctl(unsigned int cmd, void __user *arg) sipx->sipx_network = ipxif->if_netnum; memcpy(sipx->sipx_node, ipxif->if_node, sizeof(sipx->sipx_node)); - rc = -EFAULT; + rc = 0; if (copy_to_user(arg, &ifr, sizeof(ifr))) - break; + rc = -EFAULT; ipxitf_put(ipxif); - rc = 0; break; } case SIOCAIPXITFCRT: |