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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2017-09-04 09:22:54 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2017-09-04 09:22:54 -0700
commita6cbfa1e6d38c4b3ab0ce7e3aea4bb4e744f24b8 (patch)
tree8960e571a398b5d32e72bdb9c89ce965daa870ab /drivers/net/hamradio/hdlcdrv.c
parentf5308d1b83eba20e69df5e0926ba7257c8dd9074 (diff)
parent08d6ac9ee5fedd82040bc878705981b67a116a3f (diff)
Merge branch 'next' into for-linus
Prepare input updates for 4.14 merge window.
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;