From: Philippe Proulx <eeppeliteloop@gmail.com>
Date: Fri, 9 Aug 2019 19:00:35 +0000 (-0400)
Subject: Fix: dmesg.c: deference before `NULL` check
X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=commitdiff_plain;h=53265bca06ff4206bdaa9935919e66ab46a006c8

Fix: dmesg.c: deference before `NULL` check

Found by Coverity Scan.

Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
Change-Id: I841e1434341037ddf482445464c3fd428f08edd7
---

diff --git a/src/plugins/text/dmesg/dmesg.c b/src/plugins/text/dmesg/dmesg.c
index e8317d47..7fa50720 100644
--- a/src/plugins/text/dmesg/dmesg.c
+++ b/src/plugins/text/dmesg/dmesg.c
@@ -634,12 +634,14 @@ end:
 static
 void destroy_dmesg_msg_iter(struct dmesg_msg_iter *dmesg_msg_iter)
 {
-	struct dmesg_component *dmesg_comp = dmesg_msg_iter->dmesg_comp;
+	struct dmesg_component *dmesg_comp;
 
 	if (!dmesg_msg_iter) {
 		return;
 	}
 
+	dmesg_comp = dmesg_msg_iter->dmesg_comp;
+
 	if (dmesg_msg_iter->fp && dmesg_msg_iter->fp != stdin) {
 		if (fclose(dmesg_msg_iter->fp)) {
 			BT_COMP_LOGE_ERRNO("Cannot close input file", ".");