lock_ref_sha1 was only called from one place in refc.c and only provided
a check that the refname was sane before adding back the initial "refs/"
part of the ref path name, the initial "refs/" that this caller had already
stripped off before calling lock_ref_sha1.

Reviewed-by: Jonathan Nieder <jrnie...@gmail.com>
Signed-off-by: Ronnie Sahlberg <sahlb...@google.com>
---
 refs.c | 15 +++++----------
 1 file changed, 5 insertions(+), 10 deletions(-)

diff --git a/refs.c b/refs.c
index 3e77cf8..4ea9a3e 100644
--- a/refs.c
+++ b/refs.c
@@ -2143,15 +2143,6 @@ static struct ref_lock *lock_ref_sha1_basic(const char 
*refname,
        return NULL;
 }
 
-static struct ref_lock *lock_ref_sha1(const char *refname, const unsigned char 
*old_sha1)
-{
-       char refpath[PATH_MAX];
-       if (check_refname_format(refname, 0))
-               return NULL;
-       strcpy(refpath, mkpath("refs/%s", refname));
-       return lock_ref_sha1_basic(refpath, old_sha1, 0, NULL);
-}
-
 struct ref_lock *lock_any_ref_for_update(const char *refname,
                                         const unsigned char *old_sha1,
                                         int flags, int *type_p)
@@ -2361,8 +2352,12 @@ static void try_remove_empty_parents(char *name)
 /* make sure nobody touched the ref, and unlink */
 static void prune_ref(struct ref_to_prune *r)
 {
-       struct ref_lock *lock = lock_ref_sha1(r->name + 5, r->sha1);
+       struct ref_lock *lock;
+
+       if (check_refname_format(r->name + 5, 0))
+               return;
 
+       lock = lock_ref_sha1_basic(r->name, r->sha1, 0, NULL);
        if (lock) {
                unlink_or_warn(git_path("%s", r->name));
                unlock_ref(lock);
-- 
2.0.0.574.g30c2c5e

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