kstrtox: convert drivers/isdn/

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 7 deletions

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 */