2 files changed, 13 insertions, 24 deletions

diff --git a/drivers/isdn/gigaset/ev-layer.c b/drivers/isdn/gigaset/ev-layer.c
index a14187605f5e..ba74646cf0e4 100644
--- a/drivers/isdn/gigaset/ev-layer.c
+++ b/drivers/isdn/gigaset/ev-layer.c
@@ -390,12 +390,12 @@ static const struct zsau_resp_t {
  */
 static int cid_of_response(char *s)
 {
-        unsigned long cid;
+        int cid;
         int rc;
 
         if (s[-1] != ';')
                 return 0;       /* no CID separator */
-        rc = strict_strtoul(s, 10, &cid);
+        rc = kstrtoint(s, 10, &cid);
         if (rc)
                 return 0;       /* CID not numeric */
         if (cid < 1 || cid > 65535)
@@ -566,27 +566,19 @@ void gigaset_handle_modem_response(struct cardstate *cs)
                 case RT_ZCAU:
                         event->parameter = -1;
                         if (curarg + 1 < params) {
-                                unsigned long type, value;
-
-                                i = strict_strtoul(argv[curarg++], 16, &type);
-                                j = strict_strtoul(argv[curarg++], 16, &value);
+                                u8 type, value;
 
-                                if (i == 0 && type < 256 &&
-                                    j == 0 && value < 256)
+                                i = kstrtou8(argv[curarg++], 16, &type);
+                                j = kstrtou8(argv[curarg++], 16, &value);
+                                if (i == 0 && j == 0)
                                         event->parameter = (type << 8) | value;
                         } else
                                 curarg = params - 1;
                         break;
                 case RT_NUMBER:
-                        event->parameter = -1;
-                        if (curarg < params) {
-                                unsigned long res;
-                                int rc;
-
-                                rc = strict_strtoul(argv[curarg++], 10, &res);
-                                if (rc == 0)
-                                        event->parameter = res;
-                        }
+                        if (curarg >= params ||
+                            kstrtoint(argv[curarg++], 10, &event->parameter))
+                                event->parameter = -1;
                         gig_dbg(DEBUG_EVENT, "parameter==%d", event->parameter);
                         break;
                 }
diff --git a/drivers/isdn/hysdn/hysdn_proclog.c b/drivers/isdn/hysdn/hysdn_proclog.c
index 2ee93d04b2dd..236cc7dadfd0 100644
--- a/drivers/isdn/hysdn/hysdn_proclog.c
+++ b/drivers/isdn/hysdn/hysdn_proclog.c
@@ -155,7 +155,6 @@ put_log_buffer(hysdn_card * card, char *cp)
 static ssize_t
 hysdn_log_write(struct file *file, const char __user *buf, size_t count, loff_t * off)
 {
-        unsigned long u = 0;
         int rc;
         unsigned char valbuf[128];
         hysdn_card *card = file->private_data;
@@ -167,12 +166,10 @@ hysdn_log_write(struct file *file, const char __user *buf, size_t count, loff_t
 
         valbuf[count] = 0;      /* terminating 0 */
 
-        rc = strict_strtoul(valbuf, 0, &u);
-
-        if (rc == 0) {
-                card->debug_flags = u;  /* remember debug flags */
-                hysdn_addlog(card, "debug set to 0x%lx", card->debug_flags);
-        }
+        rc = kstrtoul(valbuf, 0, &card->debug_flags);
+        if (rc < 0)
+                return rc;
+        hysdn_addlog(card, "debug set to 0x%lx", card->debug_flags);
         return (count);
 }                               /* hysdn_log_write */