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From: Sven Strickroth <sven@cs-ware.de>
To: Eric Sunshine <sunshine@sunshineco.com>,
	Git List <git@vger.kernel.org>,
	Junio C Hamano <gitster@pobox.com>
Subject: [PATCH] Correctly close config file handle in case of error
Date: Fri, 14 Aug 2015 22:21:17 +0200	[thread overview]
Message-ID: <55CE4DBD.2070308@cs-ware.de> (raw)
In-Reply-To: <CAPig+cTo=iiMvvcfRu68feofoBVSFjrd4zG8GYwXN5L6THr=8Q@mail.gmail.com>

Without this patch there might be open file handle leaks.

Signed-off-by: Sven Strickroth <email@cs-ware.de>
Signed-off-by: Sup Yut Sum <ch3cooli@gmail.com>
---
 config.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/config.c b/config.c
index 9fd275f..83caa25 100644
--- a/config.c
+++ b/config.c
@@ -1935,7 +1935,7 @@ int git_config_set_multivar_in_file(const char *config_filename,
 				const char *key, const char *value,
 				const char *value_regex, int multi_replace)
 {
-	int fd = -1, in_fd;
+	int fd = -1, in_fd = -1;
 	int ret;
 	struct lock_file *lock = NULL;
 	char *filename_buf = NULL;
@@ -2065,6 +2065,7 @@ int git_config_set_multivar_in_file(const char *config_filename,
 			goto out_free;
 		}
 		close(in_fd);
+		in_fd = -1;
 
 		if (chmod(lock->filename.buf, st.st_mode & 07777) < 0) {
 			error("chmod on %s failed: %s",
@@ -2148,6 +2149,8 @@ out_free:
 	free(filename_buf);
 	if (contents)
 		munmap(contents, contents_sz);
+	if (in_fd >= 0)
+		close(in_fd);
 	return ret;
 
 write_err_out:
-- 
Best regards,
 Sven Strickroth
 PGP key id F5A9D4C4 @ any key-server

  reply	other threads:[~2015-08-14 20:21 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-08-14 19:18 [PATCH] Close config file handle if the entry to unset is not found Sven Strickroth
2015-08-14 19:35 ` Eric Sunshine
2015-08-14 19:38   ` Sven Strickroth
2015-08-14 19:44   ` [PATCH] Correctly close config file handle in case of error Sven Strickroth
2015-08-14 19:54     ` Eric Sunshine
2015-08-14 20:03       ` Sven Strickroth
2015-08-14 20:14         ` Eric Sunshine
2015-08-14 20:21           ` Sven Strickroth [this message]
2015-08-14 20:32             ` Eric Sunshine
2015-08-14 21:00             ` Junio C Hamano

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