git-p4: Clean up git-p4 submit's log message handling.

diff --git a/builtin-blame.c b/builtin-blame.c
index 1cf254dcca7f814694741ce5ea1ec2b88a26706f..59d7237f21f406b71aabc66ea7997faf98981869 100644 (file)
--- a/builtin-blame.c
+++ b/builtin-blame.c
@@ -1894,9 +1894,7 @@ static unsigned parse_score(const char *arg)
 
 static const char *add_prefix(const char *prefix, const char *path)
 {
-       if (!prefix || !prefix[0])
-               return path;
-       return prefix_path(prefix, strlen(prefix), path);
+       return prefix_path(prefix, prefix ? strlen(prefix) : 0, path);
 }
 
 /*
@@ -2369,7 +2367,8 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
         * bottom commits we would reach while traversing as
         * uninteresting.
         */
-       prepare_revision_walk(&revs);
+       if (prepare_revision_walk(&revs))
+               die("revision walk setup failed");
 
        if (is_null_sha1(sb.final->object.sha1)) {
                char *buf;