diff options
| author | Sebastian Andrzej Siewior <bigeasy@linutronix.de> | 2015-03-12 17:35:44 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2015-03-16 19:05:56 +0300 |
| commit | e4fcfaf802bf75e20c65a501edc5c159e812ebd3 (patch) | |
| tree | cfb6fa4e8175f6ec18990d70e7681b6ebeb9c824 /drivers/net/wireless/rt2x00/rt2x00usb.h | |
| parent | 6e9344fd8e90ff0bd8e74c15ec7c21eae7d54bd3 (diff) | |
| download | linux-e4fcfaf802bf75e20c65a501edc5c159e812ebd3.tar.xz | |
rt2x00usb: initialize the read value in case of failure
My understanding ist that rt2x00usb_register_read() is void and so the
reader is unaware of read errors and assumes that whatever was on the
stack as it was about to read.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00usb.h')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00usb.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.h b/drivers/net/wireless/rt2x00/rt2x00usb.h index 8f85fbd5f237..569363da00a2 100644 --- a/drivers/net/wireless/rt2x00/rt2x00usb.h +++ b/drivers/net/wireless/rt2x00/rt2x00usb.h @@ -199,7 +199,7 @@ static inline void rt2x00usb_register_read(struct rt2x00_dev *rt2x00dev, const unsigned int offset, u32 *value) { - __le32 reg; + __le32 reg = 0; rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_READ, USB_VENDOR_REQUEST_IN, offset, ®, sizeof(reg)); @@ -219,7 +219,7 @@ static inline void rt2x00usb_register_read_lock(struct rt2x00_dev *rt2x00dev, const unsigned int offset, u32 *value) { - __le32 reg; + __le32 reg = 0; rt2x00usb_vendor_req_buff_lock(rt2x00dev, USB_MULTI_READ, USB_VENDOR_REQUEST_IN, offset, ®, sizeof(reg), REGISTER_TIMEOUT); |