refs: pass NULL to resolve_ref_unsafe() if hash is not needed

[thirdparty/git.git] / builtin / symbolic-ref.c

diff --git a/builtin/symbolic-ref.c b/builtin/symbolic-ref.c
index df75cb9d4a21a76df3451f925d674b475dc26753..17aabaa679d599090ef5eb01d0c3650108c4f79c 100644 (file)
--- a/builtin/symbolic-ref.c
+++ b/builtin/symbolic-ref.c
@@ -12,9 +12,8 @@ static const char * const git_symbolic_ref_usage[] = {
 
 static int check_symref(const char *HEAD, int quiet, int shorten, int print)
 {
-       unsigned char sha1[20];
        int flag;
-       const char *refname = resolve_ref_unsafe(HEAD, 0, sha1, &flag);
+       const char *refname = resolve_ref_unsafe(HEAD, 0, NULL, &flag);
 
        if (!refname)
                die("No such ref: %s", HEAD);