diff options
| -rw-r--r-- | drivers/isdn/i4l/isdn_net.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/isdn/i4l/isdn_net.c b/drivers/isdn/i4l/isdn_net.c index 1f73d7f7e024..2339d7396b9e 100644 --- a/drivers/isdn/i4l/isdn_net.c +++ b/drivers/isdn/i4l/isdn_net.c @@ -2756,6 +2756,9 @@ isdn_net_setcfg(isdn_net_ioctl_cfg * cfg) char *c, *e; + if (strnlen(cfg->drvid, sizeof(cfg->drvid)) == + sizeof(cfg->drvid)) + return -EINVAL; drvidx = -1; chidx = -1; strcpy(drvid, cfg->drvid); |