From 8187aff8b9edc5ad2fe8aad074b1ef4c4a373300 Mon Sep 17 00:00:00 2001
From: Zdenek Kabelac <zkabelac@redhat.com>
Date: Tue, 11 Oct 2011 09:06:09 +0000
Subject: [PATCH] Add missing log_error for alloc failure

---
 lib/config/config.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/lib/config/config.c b/lib/config/config.c
index 2ed7bc735..cb143367d 100644
--- a/lib/config/config.c
+++ b/lib/config/config.c
@@ -99,8 +99,10 @@ int read_config_fd(struct dm_config_tree *cft, struct device *dev,
 		}
 		fb = fb + mmap_offset;
 	} else {
-		if (!(buf = dm_malloc(size + size2)))
-			return_0;
+		if (!(buf = dm_malloc(size + size2))) {
+			log_error("Failed to allocate circular buffer.");
+			return 0;
+		}
 		if (!dev_read_circular(dev, (uint64_t) offset, size,
 				       (uint64_t) offset2, size2, buf)) {
 			goto out;