ar5523: make buffer size variable unsigned

A negative buffer size doesn't make sense and it breaks this check in
ar5523_get_max_rxsz():

	if (!ar->rxbufsz || ar->rxbufsz > AR5523_SANE_RXBUFSZ) { ...

Signed-off-by: Dan Carpenter <[email protected]>
Signed-off-by: John W. Linville <[email protected]>

diff --git a/drivers/net/wireless/ath/ar5523/ar5523.h b/drivers/net/wireless/ath/ar5523/ar5523.h
index 6086ba3fb54367530321ad38e5abf7c3dcb45606..00c6fd346d48225e92a865ff8938a1c9f921e6aa 100644 (file)
--- a/drivers/net/wireless/ath/ar5523/ar5523.h
+++ b/drivers/net/wireless/ath/ar5523/ar5523.h
@@ -122,7 +122,7 @@ struct ar5523 {
 
        struct work_struct      rx_refill_work;
 
-       int                     rxbufsz;
+       unsigned int            rxbufsz;
        u8                      serial[16];
 
        struct ieee80211_channel channels[14];