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USB: serial: fix write memory-allocation flag 

Fix regression introduced by commit 818f60365a ("USB: serial: add
memory flags to usb_serial_generic_write_start"), which incorrectly used
GFP_KERNEL in write(), which must not not sleep.

Reported-by: Dave Jones <davej@fedoraproject.org>
Tested-by: Dave Jones <davej@fedoraproject.org>
Cc: Dave Jones <davej@fedoraproject.org>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Johan Hovold 2013-11-09 12:38:10 +01:00 committed by Greg Kroah-Hartman
parent 6f6485463a
commit 043e3f8345
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/serial/generic.c
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@ -200,7 +200,7 @@ int usb_serial_generic_write(struct tty_struct *tty,
return 0;
count = kfifo_in_locked(&port->write_fifo, buf, count, &port->lock);
result = usb_serial_generic_write_start(port, GFP_KERNEL);
result = usb_serial_generic_write_start(port, GFP_ATOMIC);
if (result)
return result;