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Staging: usbip: usbip_start_threads(): handle kernel_thread failure 

kernel_thread may fail, notice this.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Roel Kluin 2008-12-19 23:37:30 +01:00 committed by Greg Kroah-Hartman
parent e48d94dac7
commit 05d6d677ab
1 changed files with 14 additions and 2 deletions
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16
drivers/staging/usbip/usbip_common.c
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@ -406,8 +406,20 @@ void usbip_start_threads(struct usbip_device *ud)
/*
* 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);