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>
  */
 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;
        }