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| author | Roel Kluin <roel.kluin@gmail.com> | 2008-12-19 23:37:30 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@kvm.kroah.org> | 2009-01-28 15:49:05 -0800 |
| commit | 05d6d677ab4b975697c6a987f1dffdc55d61a160 (patch) | |
| tree | 73fa9a7d796f164eb6ed6b8c7737f9c0f9ac5cef /drivers | |
| parent | e48d94dac7eef16b4a4f246bf7b8df0f00cc0aec (diff) | |
| download | linux-05d6d677ab4b975697c6a987f1dffdc55d61a160.tar.gz linux-05d6d677ab4b975697c6a987f1dffdc55d61a160.tar.bz2 linux-05d6d677ab4b975697c6a987f1dffdc55d61a160.zip | |
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/staging/usbip/usbip_common.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/staging/usbip/usbip_common.c b/drivers/staging/usbip/usbip_common.c index 72e209276ea7..22f93dd0ba03 100644 --- a/drivers/staging/usbip/usbip_common.c +++ b/drivers/staging/usbip/usbip_common.c @@ -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); |