Copy resolve_ref() return value for longer use

[git.git] / builtin / checkout.c

diff --git a/builtin/checkout.c b/builtin/checkout.c
index beeaee41130e21ecbd2622e7ed5e632c94167beb..c6919f16871a97b4f91fe525e4b8e89f43eecd58 100644 (file)
--- a/builtin/checkout.c
+++ b/builtin/checkout.c
@@ -699,7 +699,9 @@ static int switch_branches(struct checkout_opts *opts, struct branch_info *new)
        unsigned char rev[20];
        int flag;
        memset(&old, 0, sizeof(old));
-       old.path = xstrdup(resolve_ref("HEAD", rev, 0, &flag));
+       old.path = resolve_ref("HEAD", rev, 0, &flag);
+       if (old.path)
+               old.path = xstrdup(old.path);
        old.commit = lookup_commit_reference_gently(rev, 1);
        if (!(flag & REF_ISSYMREF)) {
                free((char *)old.path);