[PATCH v5 20/27] sequencer: roll back lock file if write_message() failed

[Johannes Schindelin]

There is no need to wait until the atexit() handler kicks in at the end.

Signed-off-by: Johannes Schindelin <johannes.schinde...@gmx.de>
---
 sequencer.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/sequencer.c b/sequencer.c
index 745c86f..9fced42 100644
--- a/sequencer.c
+++ b/sequencer.c
@@ -241,10 +241,14 @@ static int write_message(struct strbuf *msgbuf, const 
char *filename)
        int msg_fd = hold_lock_file_for_update(&msg_file, filename, 0);
        if (msg_fd < 0)
                return error_errno(_("Could not lock '%s'"), filename);
-       if (write_in_full(msg_fd, msgbuf->buf, msgbuf->len) < 0)
-               return error_errno(_("Could not write to %s"), filename);
-       if (commit_lock_file(&msg_file) < 0)
+       if (write_in_full(msg_fd, msgbuf->buf, msgbuf->len) < 0) {
+               rollback_lock_file(&msg_file);
+               return error_errno(_("Could not write to '%s'"), filename);
+       }
+       if (commit_lock_file(&msg_file) < 0) {
+               rollback_lock_file(&msg_file);
                return error(_("Error wrapping up %s."), filename);
+       }
 
        return 0;
 }
-- 
2.10.1.583.g721a9e0