From 0b5f2ca0a6769aa7240c776b4fd16a428c4a0859 Mon Sep 17 00:00:00 2001
From: David Ng <dave@codeaurora.org>
Date: Wed, 17 Jun 2015 13:19:05 -0700
Subject: [PATCH] dynamic_debug: Handle kstrdup failure in dynamic_debug_init

Properly handle kstrdup returning NULL in dynamic_debug_init.

Change-Id: I93039e497d7f4982c888eac2252df4fc8332a6be
Signed-off-by: David Ng <dave@codeaurora.org>
---
 lib/dynamic_debug.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c
index 99fec3ae405a..dab6a48c174c 100644
--- a/lib/dynamic_debug.c
+++ b/lib/dynamic_debug.c
@@ -1045,9 +1045,13 @@ static int __init dynamic_debug_init(void)
 	 * slightly noisy if verbose, but harmless.
 	 */
 	cmdline = kstrdup(saved_command_line, GFP_KERNEL);
-	parse_args("dyndbg params", cmdline, NULL,
-		   0, 0, 0, &ddebug_dyndbg_boot_param_cb);
-	kfree(cmdline);
+	if (cmdline) {
+		parse_args("dyndbg params", cmdline, NULL,
+			   0, 0, 0, &ddebug_dyndbg_boot_param_cb);
+		kfree(cmdline);
+	} else
+		pr_err("Failed to parse boot args for dyndbg params\n");
+
 	return 0;
 
 out_err: