dynamic_debug: replace obselete simple_strtoul() with kstrtouint()

Signed-off-by: Andrey Ryabinin <a.ryabinin@samsung.com>
Cc: Jason Baron <jbaron@akamai.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 1 insertions, 3 deletions

diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c
index e488d9a03adc..7288e38e1757 100644
--- a/lib/dynamic_debug.c
+++ b/lib/dynamic_debug.c
@@ -268,14 +268,12 @@ static int ddebug_tokenize(char *buf, char *words[], int maxwords)
  */
 static inline int parse_lineno(const char *str, unsigned int *val)
 {
-        char *end = NULL;
         BUG_ON(str == NULL);
         if (*str == '\0') {
                 *val = 0;
                 return 0;
         }
-        *val = simple_strtoul(str, &end, 10);
-        if (end == NULL || end == str || *end != '\0') {
+        if (kstrtouint(str, 10, val) < 0) {
                 pr_err("bad line-number: %s\n", str);
                 return -EINVAL;
         }