diff options
author | Prameela Rani Garnepudi <prameela.j04cs@gmail.com> | 2017-05-16 13:01:10 +0300 |
---|---|---|
committer | Kalle Valo <kvalo@codeaurora.org> | 2017-05-24 16:37:49 +0300 |
commit | 2fbbe5179ebe8d7f307c8f9fc9fbd75254fdf4be (patch) | |
tree | db33837ef89f31eec48d5029dbf63565298018ab /drivers/net/wireless/rsi/rsi_91x_usb.c | |
parent | 7bdead7ae944c06ef5916e22254929f583684b4a (diff) | |
download | linux-2fbbe5179ebe8d7f307c8f9fc9fbd75254fdf4be.tar.xz |
rsi: Changes in USB read and write operations
USB read and write registers maximum size is limited 2^16. More than
this size is not used in the driver.
Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com>
Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/rsi/rsi_91x_usb.c')
-rw-r--r-- | drivers/net/wireless/rsi/rsi_91x_usb.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/net/wireless/rsi/rsi_91x_usb.c b/drivers/net/wireless/rsi/rsi_91x_usb.c index be8487c56945..5f6c7000bc51 100644 --- a/drivers/net/wireless/rsi/rsi_91x_usb.c +++ b/drivers/net/wireless/rsi/rsi_91x_usb.c @@ -286,11 +286,11 @@ static int rsi_rx_urb_submit(struct rsi_hw *adapter) int rsi_usb_write_register_multiple(struct rsi_hw *adapter, u32 addr, u8 *data, - u32 count) + u16 count) { struct rsi_91x_usbdev *dev = (struct rsi_91x_usbdev *)adapter->rsi_dev; u8 *buf; - u8 transfer; + u16 transfer; int status = 0; buf = kzalloc(RSI_USB_BUF_SIZE, GFP_KERNEL); @@ -298,7 +298,7 @@ int rsi_usb_write_register_multiple(struct rsi_hw *adapter, return -ENOMEM; while (count) { - transfer = (u8)(min_t(u32, count, RSI_USB_BUF_SIZE)); + transfer = min_t(u16, count, RSI_USB_BUF_SIZE); memcpy(buf, data, transfer); status = usb_control_msg(dev->usbdev, usb_sndctrlpipe(dev->usbdev, 0), |