X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fisdn%2Fi4l%2Fisdn_net.c;h=2339d7396b9ea305dd845e592d227bd726d3d43b;hb=72784134ce53b8e40deb8c9981ec52122d9f6208;hp=1f73d7f7e0242e4e73d55582935f4ff0a11f6646;hpb=882aba01052476cbe3cd7339a3e6784b2437f18d;p=pandora-kernel.git

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);