archive-tar.c: guard config parser from value=NULL

Signed-off-by: Junio C Hamano <gitster@pobox.com>
17 years ago · cc1816b0d6
1 changed files with 1 additions and 1 deletions
--- a/archive-tar.c
+++ b/archive-tar.c
@ -222,7 +222,7 @@ static void write_global_extended_header(const unsigned char *sha1)
				@@ -222,7 +222,7 @@ static void write_global_extended_header(const unsigned char *sha1)
 static int git_tar_config(const char *var, const char *value)
 {
 	if (!strcmp(var, "tar.umask")) {
-		if (!strcmp(value, "user")) {
+		if (value && !strcmp(value, "user")) {
 			tar_umask = umask(0);
 			umask(tar_umask);
 		} else {