strtoul() only modifies errno on overflow, so if errno is not zero
before calling the function its value is preserved and makes the
function fail for valid inputs; initialize it.
Signed-off-by: Beniamino Galvani <bgalv...@redhat.com>
---
lib/utils.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/lib/utils.c b/lib/utils.c
index 70e85b7..7dceeb5 100644
--- a/lib/utils.c
+++ b/lib/utils.c
@@ -924,6 +924,7 @@ __u8 *hexstring_a2n(const char *str, __u8 *buf, int blen,
unsigned int *len)
strncpy(tmpstr, str, 2);
tmpstr[2] = '\0';
+ errno = 0;
tmp = strtoul(tmpstr, &endptr, 16);
if (errno != 0 || tmp > 0xFF || *endptr != '\0')
return NULL;
--
2.5.5
