From ea8f9fe634da9042c01ca2f4e459a7b187056021 Mon Sep 17 00:00:00 2001 From: Jason Andryuk Date: Fri, 30 Jan 2009 09:05:03 -0500 Subject: [PATCH] Staging: at76_usb: fix bugs introduced by "Staging: at76_usb: cleanup dma on stack issues" Tracking down the firmware loading problem led to this commit. $ git bisect bad 0d1d1424330cc1934f2b2742f0cfa2c31e6a250b is first bad commit commit 0d1d1424330cc1934f2b2742f0cfa2c31e6a250b Author: Oliver Neukum Date: Thu Dec 18 13:16:40 2008 +0100 Staging: at76_usb: cleanup dma on stack issues - no DMA on stack - cleanup unclear endianness issue Signed-off-by: Oliver Neukum Signed-off-by: Greg Kroah-Hartman :040000 040000 c4fee9ea0fef25926229d810d19dc2f89cca9401 8b165a35d16280d2413b2700a6080ef290ca1009 M drivers The "no DMA on stack" conversion was incomplete with respect to updating the arguments passed to usb_control_msg. The value 40 is hardcoded as it was prior to conversion. The driver can now load firmware, but is not fully functional. Signed-off-by: Jason Andryuk Cc: John W. Linville Signed-off-by: Greg Kroah-Hartman --- drivers/staging/at76_usb/at76_usb.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/staging/at76_usb/at76_usb.c b/drivers/staging/at76_usb/at76_usb.c index 9195ee9319ff..06ae16341337 100644 --- a/drivers/staging/at76_usb/at76_usb.c +++ b/drivers/staging/at76_usb/at76_usb.c @@ -649,7 +649,7 @@ static int at76_get_op_mode(struct usb_device *udev) return -ENOMEM; ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), 0x33, USB_TYPE_VENDOR | USB_DIR_IN | - USB_RECIP_INTERFACE, 0x01, 0, &op_mode, 1, + USB_RECIP_INTERFACE, 0x01, 0, op_mode, 1, USB_CTRL_GET_TIMEOUT); saved = *op_mode; kfree(op_mode); @@ -782,7 +782,7 @@ static inline int at76_get_cmd_status(struct usb_device *udev, u8 cmd) ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), 0x22, USB_TYPE_VENDOR | USB_DIR_IN | USB_RECIP_INTERFACE, cmd, 0, stat_buf, - sizeof(stat_buf), USB_CTRL_GET_TIMEOUT); + 40, USB_CTRL_GET_TIMEOUT); if (ret >= 0) ret = stat_buf[5]; kfree(stat_buf); -- 2.39.5