linux-kernel - patch staging-usbip-usbip_start_threads-handle-kernel_thread-failure.patch added to gregkh-2.6 tree

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Date:	Sun, 25 Jan 2009 15:00:58 -0800
From:	<gregkh@...e.de>
To:	roel.kluin@...il.com, gregkh@...e.de, linux-kernel@...r.kernel.org
Subject: patch staging-usbip-usbip_start_threads-handle-kernel_thread-failure.patch added to gregkh-2.6 tree


This is a note to let you know that I've just added the patch titled

    Subject: Staging: usbip: usbip_start_threads(): handle kernel_thread failure

to my gregkh-2.6 tree.  Its filename is

    staging-usbip-usbip_start_threads-handle-kernel_thread-failure.patch

This tree can be found at 
    http://www.kernel.org/pub/linux/kernel/people/gregkh/gregkh-2.6/patches/


>From roel.kluin@...il.com  Sun Jan 25 14:35:50 2009
From: Roel Kluin <roel.kluin@...il.com>
Date: Fri, 19 Dec 2008 23:37:30 +0100
Subject: Staging: usbip: usbip_start_threads(): handle kernel_thread failure
To: Greg KH <gregkh@...e.de>
Cc: lkml <linux-kernel@...r.kernel.org>
Message-ID: <494C222A.8050507@...il.com>


kernel_thread may fail, notice this.

Signed-off-by: Roel Kluin <roel.kluin@...il.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 drivers/staging/usbip/usbip_common.c |   16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

--- a/drivers/staging/usbip/usbip_common.c
+++ b/drivers/staging/usbip/usbip_common.c
@@ -406,8 +406,20 @@ void usbip_start_threads(struct usbip_de
 	/*
 	 * threads are invoked per one device (per one connection).
 	 */
-	kernel_thread(usbip_thread, (void *)&ud->tcp_rx, 0);
-	kernel_thread(usbip_thread, (void *)&ud->tcp_tx, 0);
+	int retval;
+
+	retval = kernel_thread(usbip_thread, (void *)&ud->tcp_rx, 0);
+	if (retval < 0) {
+		printk(KERN_ERR "Creating tcp_rx thread for ud %p failed.\n",
+				ud);
+		return;
+	}
+	retval = kernel_thread(usbip_thread, (void *)&ud->tcp_tx, 0);
+	if (retval < 0) {
+		printk(KERN_ERR "Creating tcp_tx thread for ud %p failed.\n",
+				ud);
+		return;
+	}
 
 	/* confirm threads are starting */
 	wait_for_completion(&ud->tcp_rx.thread_done);


Patches currently in gregkh-2.6 which might be from roel.kluin@...il.com are

staging/staging-meilhaus-unsigned-won-t-get-negative-after-subtraction.patch
staging/staging-otus-logical-bit-and-confusion.patch
staging/staging-usbip-usbip_start_threads-handle-kernel_thread-failure.patch
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