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Fix usb_serial_probe() problem introduced by the recent kfifo changes

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The USB serial code was a new user of the kfifo API, and it was missed
when porting things to the new kfifo API.

Please make the write_fifo in place.  Here is my patch to fix the
regression and full ported version.

Signed-off-by: Stefani Seibold <stefani@seibold.net>
Reported-and-tested-by: Rafael J. Wysocki <rjw@sisk.pl>
Cc: Greg KH <greg@kroah.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Stefani Seibold 2009-12-23 09:10:48 +01:00 • committed by Linus Torvalds
parent c9f937e4a3
commit 119eecc831
3 changed files with 10 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

3
include/linux/usb/serial.h
View file

@ -16,6 +16,7 @@
#include <linux/kref.h>
#include <linux/mutex.h>
#include <linux/sysrq.h>
#include <linux/kfifo.h>
#define SERIAL_TTY_MAJOR 188 /* Nice legal number now */
#define SERIAL_TTY_MINORS 254 /* loads of devices :) */
@ -94,7 +95,7 @@ struct usb_serial_port {
unsigned char *bulk_out_buffer;
int bulk_out_size;
struct urb *write_urb;
struct kfifo *write_fifo;
struct kfifo write_fifo;
int write_urb_busy;
__u8 bulk_out_endpointAddress;