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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>
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1 changed files with 14 additions and 2 deletions
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@ -406,8 +406,20 @@ void usbip_start_threads(struct usbip_device *ud)
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/*
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* threads are invoked per one device (per one connection).
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*/
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kernel_thread(usbip_thread, (void *)&ud->tcp_rx, 0);
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kernel_thread(usbip_thread, (void *)&ud->tcp_tx, 0);
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int retval;
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retval = kernel_thread(usbip_thread, (void *)&ud->tcp_rx, 0);
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if (retval < 0) {
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printk(KERN_ERR "Creating tcp_rx thread for ud %p failed.\n",
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ud);
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return;
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}
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retval = kernel_thread(usbip_thread, (void *)&ud->tcp_tx, 0);
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if (retval < 0) {
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printk(KERN_ERR "Creating tcp_tx thread for ud %p failed.\n",
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ud);
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return;
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}
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/* confirm threads are starting */
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wait_for_completion(&ud->tcp_rx.thread_done);
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