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 <[email protected]>
---
 drivers/net/wireless/rt2x00/rt2x00usb.h | 4 ++--
 1 file 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,
                                      &reg, 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,
                                       &reg, sizeof(reg), REGISTER_TIMEOUT);
-- 
2.1.4

--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to