linux-kernel - [PATCH] staging: ft1000: Check return value of kthread

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Date:	Wed, 10 Nov 2010 09:29:35 +0100
From:	Marek Belisko <marek.belisko@...il.com>
To:	Greg Kroah-Hartman <gregkh@...e.de>
Cc:	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
	Marek Belisko <marek.belisko@...il.com>
Subject: [PATCH] staging: ft1000: Check return value of kthread_run.

kthread_run could fail so we will check return value.

Signed-off-by: Marek Belisko <marek.belisko@...il.com>
---
 drivers/staging/ft1000/ft1000-usb/ft1000_usb.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/drivers/staging/ft1000/ft1000-usb/ft1000_usb.c b/drivers/staging/ft1000/ft1000-usb/ft1000_usb.c
index 41bbe99..dcbc97c 100644
--- a/drivers/staging/ft1000/ft1000-usb/ft1000_usb.c
+++ b/drivers/staging/ft1000/ft1000-usb/ft1000_usb.c
@@ -175,6 +175,12 @@ static int ft1000_probe(struct usb_interface *interface,
 	gPollingfailed = FALSE;
 	pft1000info->pPollThread =
 	    kthread_run(ft1000_poll_thread, ft1000dev, "ft1000_poll");
+
+	if (IS_ERR(pft1000info->pPollThread)) {
+		ret = PTR_ERR(pft1000info->pPollThread);
+		goto err_load;
+	}
+
 	msleep(500);
 
 	while (!pft1000info->CardReady) {
-- 
1.7.1

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