From: Michael Jeanson <mjeanson@efficios.com>
Date: Thu, 29 Nov 2018 21:49:51 +0000 (-0500)
Subject: Fix: warning 'fd' may be used uninitialized
X-Git-Tag: v2.10.6~10
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=2fc93c34017b03b792f48f913e117a833ef4a34f;p=lttng-tools.git

Fix: warning 'fd' may be used uninitialized

Initialize fd to invalid '-1' and remove unnecessary file_opened.

Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
---

diff --git a/src/bin/lttng-sessiond/save.c b/src/bin/lttng-sessiond/save.c
index 834b8739e..c51338e17 100644
--- a/src/bin/lttng-sessiond/save.c
+++ b/src/bin/lttng-sessiond/save.c
@@ -1890,8 +1890,7 @@ static
 int save_session(struct ltt_session *session,
 	struct lttng_save_session_attr *attr, lttng_sock_cred *creds)
 {
-	int ret, fd;
-	unsigned int file_opened = 0;	/* Indicate if the file has been opened */
+	int ret, fd = -1;
 	char config_file_path[PATH_MAX];
 	size_t len;
 	struct config_writer *writer = NULL;
@@ -1984,7 +1983,6 @@ int save_session(struct ltt_session *session,
 		ret = LTTNG_ERR_SAVE_IO_FAIL;
 		goto end;
 	}
-	file_opened = 1;
 
 	writer = config_writer_create(fd, 1);
 	if (!writer) {
@@ -2089,12 +2087,12 @@ end:
 	}
 	if (ret) {
 		/* Delete file in case of error */
-		if (file_opened && unlink(config_file_path)) {
+		if ((fd >= 0) && unlink(config_file_path)) {
 			PERROR("Unlinking XML session configuration.");
 		}
 	}
 
-	if (file_opened) {
+	if (fd >= 0) {
 		ret = close(fd);
 		if (ret) {
 			PERROR("Closing XML session configuration");