Subject: [PATCH v2 10/21] log: report errno on failure to fopen() a file

From: Nguyễn Thái Ngọc Duy <[email-masked]>
Date: Wed, 3 May 2017 17:16:55 +0700

Signed-off-by: Nguyễn Thái Ngọc Duy <[email-masked]>
---
 builtin/log.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/builtin/log.c b/builtin/log.c
index b3b10cc1ed..26d6a3cf14 100644
--- a/builtin/log.c
+++ b/builtin/log.c
@@ -858,7 +858,8 @@ static int open_next_file(struct commit *commit, const char *subject,
 		printf("%s\n", filename.buf + outdir_offset);
 
 	if ((rev->diffopt.file = fopen(filename.buf, "w")) == NULL)
-		return error(_("Cannot open patch file %s"), filename.buf);
+		return error_errno(_("Cannot open patch file %s"),
+				   filename.buf);
 
 	strbuf_release(&filename);
 	return 0;
-- 
2.11.0.157.gd943d85