linux-kernel - [PATCH 22/28] V4L/DVB (4995): Vivi: fix kthread

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Message-id: <20061227165731.PS71474700022@infradead.org>
Date:	Wed, 27 Dec 2006 14:57:31 -0200
From:	Mauro Carvalho Chehab <mchehab@...radead.org>
To:	LKML <linux-kernel@...r.kernel.org>
Cc:	V4L-DVB Maintainers <v4l-dvb-maintainer@...uxtv.org>,
	Akinobu Mita <akinobu.mita@...il.com>,
	Mauro Carvalho Chehab <mchehab@...radead.org>
Subject: [PATCH 22/28] V4L/DVB (4995): Vivi: fix kthread_run() error check


From: Akinobu Mita <akinobu.mita@...il.com>

The return value of kthread_run() should be checked by IS_ERR().

Signed-off-by: Akinobu Mita <akinobu.mita@...il.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@...radead.org>
---

 drivers/media/video/vivi.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/media/video/vivi.c b/drivers/media/video/vivi.c
index 3cead24..bacb311 100644
--- a/drivers/media/video/vivi.c
+++ b/drivers/media/video/vivi.c
@@ -535,9 +535,9 @@ static int vivi_start_thread(struct vivi
 
 	dma_q->kthread = kthread_run(vivi_thread, dma_q, "vivi");
 
-	if (dma_q->kthread == NULL) {
+	if (IS_ERR(dma_q->kthread)) {
 		printk(KERN_ERR "vivi: kernel_thread() failed\n");
-		return -EINVAL;
+		return PTR_ERR(dma_q->kthread);
 	}
 	dprintk(1,"returning from %s\n",__FUNCTION__);
 	return 0;

-
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