From: Vyacheslav Cherkashin <v.cherkashin@samsung.com>
Date: Wed, 24 Jun 2015 11:15:10 +0000 (+0300)
Subject: [FIX] check task_struct pointer on error
X-Git-Tag: submit/tizen/20151123.110932~59
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=refs%2Fchanges%2F09%2F42209%2F1;p=kernel%2Fswap-modules.git

[FIX] check task_struct pointer on error

Change-Id: I292abae597e10aa4ad61cbaaba7d43bdfc93da99
Signed-off-by: Vyacheslav Cherkashin <v.cherkashin@samsung.com>
---

diff --git a/task_data/task_data.c b/task_data/task_data.c
index 1610284..0599f23 100644
--- a/task_data/task_data.c
+++ b/task_data/task_data.c
@@ -87,7 +87,7 @@ static int copy_process_ret_handler(struct kretprobe_instance *ri,
 	struct task_struct *task;
 
 	task = (struct task_struct *)regs_return_value(regs);
-	if (task)
+	if (!IS_ERR(task))
 		swap_task_data_clean(task);
 
 	return 0;