utils: check suffix length

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
lxc · Jan 17, 2018 · c2229b2 · c2229b2
1 parent 99eafdd
commit c2229b2
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/lxc/utils.c b/src/lxc/utils.c
@@ -2412,10 +2412,10 @@ int parse_byte_size_string(const char *s, int64_t *converted)
 	else
 		return -EINVAL;
 
-	if ((end - 2) == dup && !isdigit(*(end - 2)))
+	if (suffix_len > 0 && (end - 2) == dup && !isdigit(*(end - 2)))
 		return -EINVAL;
 
-	if (isalpha(*(end - 2))) {
+	if (suffix_len > 0 && isalpha(*(end - 2))) {
 		if (suffix_len == 1)
 			suffix_len++;
 		else