[lvm-devel] [PATCH 07/29] Test success from dm_poll_create

[Zdenek Kabelac]

Add testing for NULL return value from dm_poll_create.

Signed-off-by: Zdenek Kabelac <zkabelac at redhat.com>
---
 lib/config/config.c |   10 ++++++++--
 1 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/lib/config/config.c b/lib/config/config.c
index c10c78e..4ecec94 100644
--- a/lib/config/config.c
+++ b/lib/config/config.c
@@ -511,7 +511,10 @@ int write_config_node(const struct config_node *cn, putline_fn putline, void *ba
 {
 	struct output_line outline;
 	outline.fp = NULL;
-	outline.mem = dm_pool_create("config_line", 1024);
+	if (!(outline.mem = dm_pool_create("config_line", 1024))) {
+		log_error("Failed to allocate config_line pool.");
+		return 0;
+	}
 	outline.putline = putline;
 	outline.putline_baton = baton;
 	if (!_write_config(cn, 0, &outline, 0)) {
@@ -538,7 +541,10 @@ int write_config_file(struct config_tree *cft, const char *file,
 		return 0;
 	}
 
-	outline.mem = dm_pool_create("config_line", 1024);
+	if (!(outline.mem = dm_pool_create("config_line", 1024))) {
+		log_error("Failed to allocate config_line pool.");
+		return 0;
+	}
 
 	log_verbose("Dumping configuration to %s", file);
 	if (!argc) {
-- 
1.7.3.2