From 57986fb884d424655cc53bc8e4d24495655b78fb Mon Sep 17 00:00:00 2001
From: GangCao <gang.cao@intel.com>
Date: Sun, 26 Mar 2017 19:30:27 -0400
Subject: [PATCH] blob: check memory allocation in check_readahead

Change-Id: I80a1b19570aab8145e8d8d2c544ed46576a89e60
Signed-off-by: GangCao <gang.cao@intel.com>
---
 lib/blobfs/blobfs.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/lib/blobfs/blobfs.c b/lib/blobfs/blobfs.c
index 130adbd65..ebb83102b 100644
--- a/lib/blobfs/blobfs.c
+++ b/lib/blobfs/blobfs.c
@@ -1916,8 +1916,13 @@ check_readahead(struct spdk_file *file, uint64_t offset)
 		return;
 	}
 
-	BLOBFS_TRACE(file, "offset=%jx\n", offset);
 	args = calloc(1, sizeof(*args));
+	if (args == NULL) {
+		return;
+	}
+
+	BLOBFS_TRACE(file, "offset=%jx\n", offset);
+
 	args->file = file;
 	args->op.readahead.offset = offset;
 	args->op.readahead.cache_buffer = cache_insert_buffer(file, offset);