From: Cyrill Gorcunov <gorcunov@gmail.com>
Date: Thu, 19 Jul 2007 14:44:11 +0000 (-0300)
Subject: V4L/DVB (5871): Conexant 2388x: check for kthread_run
X-Git-Tag: v2.6.23-rc1~193^2~2
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=32b78de7fee70a0bdb2081b23fc2b676ec566814;p=linux-2.6

V4L/DVB (5871): Conexant 2388x: check for kthread_run

The patch adds checking of kthread_run return code and issues a message
if it fails.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
---

diff --git a/drivers/media/video/cx88/cx88-video.c b/drivers/media/video/cx88/cx88-video.c
index 98fa35421b..06b233a7b2 100644
--- a/drivers/media/video/cx88/cx88-video.c
+++ b/drivers/media/video/cx88/cx88-video.c
@@ -1881,8 +1881,14 @@ static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
 	mutex_unlock(&core->lock);
 
 	/* start tvaudio thread */
-	if (core->tuner_type != TUNER_ABSENT)
+	if (core->tuner_type != TUNER_ABSENT) {
 		core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
+		if (IS_ERR(core->kthread)) {
+			err = PTR_ERR(core->kthread);
+			printk(KERN_ERR "Failed to create cx88 audio thread, err=%d\n",
+			       err);
+		}
+	}
 	return 0;
 
 fail_unreg: