The variable ownbit_flag is only assigned the values true and false. Change its type to bool. The simplified semantic patch that find this problem is as follows (http://coccinelle.lip6.fr/): @exists@ type T; identifier b; @@ - T + bool b = ...; ... when any b = \(true\|false\) Signed-off-by: Peter Senna Tschudin <peter.senna@xxxxxxxxx> --- drivers/staging/rtl8187se/r8180_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/rtl8187se/r8180_core.c b/drivers/staging/rtl8187se/r8180_core.c index 5947a6f..35412d2 100644 --- a/drivers/staging/rtl8187se/r8180_core.c +++ b/drivers/staging/rtl8187se/r8180_core.c @@ -1704,7 +1704,7 @@ short rtl8180_tx(struct net_device *dev, u8 *txbuf, int len, int priority, u16 RtsDur = 0; u16 ThisFrameTime = 0; u16 TxDescDuration = 0; - u8 ownbit_flag = false; + bool ownbit_flag = false; switch (priority) { case MANAGE_PRIORITY: -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html