utils: check suffix length

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

utils: check suffix length
c2229b24 · Christian Brauner · 99eafdd4 · c2229b24
Unverified Commit c2229b24 authored Jan 17, 2018 by Christian Brauner
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utils.c src/lxc/utils.c +2 -2

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--- 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