diff options
author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-06-12 08:18:10 +0200 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-06-12 08:18:10 +0200 |
commit | 069a0f32c9ca75ec7f02146711ec1f5840a68cbf (patch) | |
tree | 0ee4fe0bdd706333192b26a0c43dda1481862bae /drivers/net/hamradio/hdlcdrv.c | |
parent | aca4e68acf3a08561f2a413322cbb232edad8764 (diff) | |
parent | 32c1431eea4881a6b17bd7c639315010aeefa452 (diff) |
Merge 4.12-rc5 into char-misc-next
We want the char/misc driver fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/net/hamradio/hdlcdrv.c')
-rw-r--r-- | drivers/net/hamradio/hdlcdrv.c | 2 |
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; |