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msm: ipa: rmnet: Make code changes with respect to CR#2046006 

Check for CAP_NET_ADMIN capability of the user
space application who tries to access rmnet driver IOCTL.

Bug: 36367253
Change-Id: If6bb4b54659306c5103b5e34bf02c7234c851e0a
CRs-Fixed: 2226355
Signed-off-by: Mohammed Javid <mjavid@codeaurora.org>
This commit is contained in:
Mohammed Javid 2018-04-19 13:41:16 +05:30 committed by syphyr
parent 35b2753b15
commit 834a002042
1 changed files with 2 additions and 0 deletions
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2
drivers/platform/msm/ipa/rmnet_ipa.c
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@ -1285,6 +1285,8 @@ static int ipa_wwan_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
/* Extended IOCTLs */
case RMNET_IOCTL_EXTENDED:
if (!ns_capable(dev_net(dev)->user_ns, CAP_NET_ADMIN))
return -EPERM;
IPAWANDBG("get ioctl: RMNET_IOCTL_EXTENDED\n");
if (copy_from_user(&extend_ioctl_data,
(u8 *)ifr->ifr_ifru.ifru_data,