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| author | Jerry Lee <jerrylee@broadcom.com> | 2016-04-15 12:57:05 -0700 |
|---|---|---|
| committer | Ziyan <jaraidaniel@gmail.com> | 2016-10-29 01:34:14 +0200 |
| commit | 418c398e20bddb649fe1e844ddea4c781753f70a (patch) | |
| tree | 8b3d9b539b9e960072c3723a351631b8abd7c9a9 | |
| parent | 2846046f71d9d10b70b5b4a660f33c92022d66c8 (diff) | |
| download | kernel_samsung_tuna-418c398e20bddb649fe1e844ddea4c781753f70a.zip kernel_samsung_tuna-418c398e20bddb649fe1e844ddea4c781753f70a.tar.gz kernel_samsung_tuna-418c398e20bddb649fe1e844ddea4c781753f70a.tar.bz2 | |
net: wireless: bcmdhd: check privilege on priv cmd
check net admin capability for ioctl calls
BUG=26425765
Change-Id: Idae75c9fc530add3ead3508d25e994bbfec9a6de
| -rw-r--r-- | drivers/net/wireless/bcmdhd/wl_android.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/wireless/bcmdhd/wl_android.c b/drivers/net/wireless/bcmdhd/wl_android.c index 742d873..e345183 100644 --- a/drivers/net/wireless/bcmdhd/wl_android.c +++ b/drivers/net/wireless/bcmdhd/wl_android.c @@ -843,6 +843,10 @@ int wl_android_priv_cmd(struct net_device *net, struct ifreq *ifr, int cmd) ret = -EINVAL; goto exit; } + if (!capable(CAP_NET_ADMIN)) { + ret = -EPERM; + goto exit; + } if (copy_from_user(&priv_cmd, ifr->ifr_data, sizeof(android_wifi_priv_cmd))) { ret = -EFAULT; goto exit; |