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authorDave Airlie <airlied@redhat.com>2017-06-16 06:58:27 +0300
committerDave Airlie <airlied@redhat.com>2017-06-16 06:58:27 +0300
commit925344ccc91d7a7fd84cab2dece1c34bbd86fd8c (patch)
treebd4110dc5a3b70a5674b9d6d5340cc1889f5d6e8 /drivers/net/hamradio/hdlcdrv.c
parenta6821698918a579e7219d706092e83f367f01ba2 (diff)
parent32c1431eea4881a6b17bd7c639315010aeefa452 (diff)
downloadlinux-925344ccc91d7a7fd84cab2dece1c34bbd86fd8c.tar.xz
BackMerge tag 'v4.12-rc5' into drm-next
Linux 4.12-rc5 for nouveau fixes
Diffstat (limited to 'drivers/net/hamradio/hdlcdrv.c')
-rw-r--r--drivers/net/hamradio/hdlcdrv.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/hamradio/hdlcdrv.c b/drivers/net/hamradio/hdlcdrv.c
index 8c3633c1d078..97e3bc60c3e7 100644
--- a/drivers/net/hamradio/hdlcdrv.c
+++ b/drivers/net/hamradio/hdlcdrv.c
@@ -576,6 +576,8 @@ static int hdlcdrv_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
case HDLCDRVCTL_CALIBRATE:
if(!capable(CAP_SYS_RAWIO))
return -EPERM;
+ if (s->par.bitrate <= 0)
+ return -EINVAL;
if (bi.data.calibrate > INT_MAX / s->par.bitrate)
return -EINVAL;
s->hdlctx.calibrate = bi.data.calibrate * s->par.bitrate / 16;