There is no need for is{upper,lower}() tests before to{lower,uppper}(),

since all other characters are mapped through transparently.
ok jsing

1 files changed, 2 insertions, 4 deletions

diff --git a/lib/libcrypto/x509v3/v3_utl.c b/lib/libcrypto/x509v3/v3_utl.c
index bf6f81a5e9b..4f4dc15221e 100644
--- a/lib/libcrypto/x509v3/v3_utl.c
+++ b/lib/libcrypto/x509v3/v3_utl.c
@@ -468,10 +468,8 @@ string_to_hex(const char *str, long *len)
 			free(hexbuf);
 			return NULL;
 		}
-		if (isupper(ch))
-			ch = tolower(ch);
-		if (isupper(cl))
-			cl = tolower(cl);
+		ch = tolower(ch);
+		cl = tolower(cl);
 
 		if ((ch >= '0') && (ch <= '9'))
 			ch -= '0';