format-patch: fix bug with --stdout in a subdirectory

diff --git a/builtin-log.c b/builtin-log.c
index 13a3f9b25db3fb2746c21b2ce6327627c965c0ce..503cd1e2be64a65032fd43dffa71f0340a94ed1f 100644 (file)
--- a/builtin-log.c
+++ b/builtin-log.c
@@ -476,7 +476,7 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
        if (!rev.diffopt.text)
                rev.diffopt.binary = 1;
 
-       if (!output_directory)
+       if (!output_directory && !use_stdout)
                output_directory = prefix;
 
        if (output_directory) {