diff mbox

rtlwifi: btcoexist: Fix "always true" warning from commit ed364abffd6e

Message ID 1410296266-14327-1-git-send-email-Larry.Finger@lwfinger.net
State Awaiting Upstream, archived
Delegated to: David Miller
Headers show

Commit Message

Larry Finger Sept. 9, 2014, 8:57 p.m. UTC 
The 0-DAY kernel build testing backend reports the following warning:
drivers/net/wireless/rtlwifi/btcoexist/halbtcoutsrc.c:516 halbtc_bitmask_write_1byte()
warn: always true condition '(bit_mask != 4294967295) => (0-255 != u32max)'

This problem was introduced in commit ed364abffd6e19bec67b7ccda8237213b8b37640,
and arises because the caller of halbtc_bitmask_write_1byte() is using a
u8 rather than a u32 for the data.

Reported-by: Kbuild test robot <kbuild-all@01.org>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Kbuild test robot <kbuild-all@01.org>
---
 drivers/net/wireless/rtlwifi/btcoexist/halbtcoutsrc.c | 2 +-
 drivers/net/wireless/rtlwifi/btcoexist/halbtcoutsrc.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
diff mbox

Patch

diff --git a/drivers/net/wireless/rtlwifi/btcoexist/halbtcoutsrc.c b/drivers/net/wireless/rtlwifi/btcoexist/halbtcoutsrc.c
index 3119e8b..0620b22 100644
--- a/drivers/net/wireless/rtlwifi/btcoexist/halbtcoutsrc.c
+++ b/drivers/net/wireless/rtlwifi/btcoexist/halbtcoutsrc.c
@@ -497,7 +497,7 @@  static u32 halbtc_read_4byte(void *bt_context, u32 reg_addr)
 	return	rtl_read_dword(rtlpriv, reg_addr);
 }
 
-static void halbtc_write_1byte(void *bt_context, u32 reg_addr, u8 data)
+static void halbtc_write_1byte(void *bt_context, u32 reg_addr, u32 data)
 {
 	struct btc_coexist *btcoexist = (struct btc_coexist *)bt_context;
 	struct rtl_priv *rtlpriv = btcoexist->adapter;
diff --git a/drivers/net/wireless/rtlwifi/btcoexist/halbtcoutsrc.h b/drivers/net/wireless/rtlwifi/btcoexist/halbtcoutsrc.h
index eae1937..0d185e6 100644
--- a/drivers/net/wireless/rtlwifi/btcoexist/halbtcoutsrc.h
+++ b/drivers/net/wireless/rtlwifi/btcoexist/halbtcoutsrc.h
@@ -359,7 +359,7 @@  typedef u16 (*bfp_btc_r2)(void *btc_context, u32 reg_addr);
 
 typedef u32 (*bfp_btc_r4)(void *btc_context, u32 reg_addr);
 
-typedef void (*bfp_btc_w1)(void *btc_context, u32 reg_addr, u8 data);
+typedef void (*bfp_btc_w1)(void *btc_context, u32 reg_addr, u32 data);
 
 typedef void (*bfp_btc_w1_bit_mak)(void *btc_context, u32 reg_addr,
 				   u8 bit_mask, u8 data1b);