diff options
Diffstat (limited to 'drivers/isdn/capi/capidrv.c')
| -rw-r--r-- | drivers/isdn/capi/capidrv.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/isdn/capi/capidrv.c b/drivers/isdn/capi/capidrv.c index d10c8b82e6aa..b6f9476c0501 100644 --- a/drivers/isdn/capi/capidrv.c +++ b/drivers/isdn/capi/capidrv.c @@ -1907,7 +1907,8 @@ static int if_readstat(u8 __user *buf, int len, int id, int channel) } for (p=buf, count=0; count < len; p++, count++) { - put_user(*card->q931_read++, p); + if (put_user(*card->q931_read++, p)) + return -EFAULT; if (card->q931_read > card->q931_end) card->q931_read = card->q931_buf; } |