korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-12-16 15:34:48 +08:00
Code Issues Packages Projects Releases Wiki Activity

USB: cp210x: Remove double usb_control_msg from cp210x_set_config

Browse Source 
This patch removes a double usb_control_msg that sets the cp210x
configuration registers a second time when calling cp210x_set_config.
For data sizes >2 the second write gets corrupted.
The patch has been created against 2.6.34-rc1, but all cp210x driver
revisions are affected.

Signed-off-by: Michael Brunner <mibru@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Michael Brunner 2010-03-10 23:26:37 +01:00 committed by Greg Kroah-Hartman
parent 7f56cfd253
commit e549a17f69
1 changed files with 0 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/usb/serial/cp210x.c
View File

@ -313,11 +313,6 @@ static int cp210x_set_config(struct usb_serial_port *port, u8 request,
return -EPROTO;
}
/* Single data value */
result = usb_control_msg(serial->dev,
usb_sndctrlpipe(serial->dev, 0),
request, REQTYPE_HOST_TO_DEVICE, data[0],
0, NULL, 0, 300);
return 0;
}