Re: [PATCH net-next] net: stmmac: do not use a bitwise AND operator with a bool operand

[David Miller]

From: Niklas Cassel <niklas.cassel@xxxxxxxx>
Date: Mon, 22 Jan 2018 16:59:50 +0100

> Doing a bitwise AND between a bool and an int is generally not a good idea.
> The bool will be promoted to an int with value 0 or 1,
> the int is generally regarded as true with a non-zero value,
> thus ANDing them has the potential to yield an undesired result.
> 
> This commit fixes the following smatch warnings:
> 
> drivers/net/ethernet/stmicro/stmmac/enh_desc.c:344 enh_desc_prepare_tx_desc() warn: maybe use && instead of &
> drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c:337 dwmac4_rd_prepare_tx_desc() warn: maybe use && instead of &
> drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c:380 dwmac4_rd_prepare_tso_tx_desc() warn: maybe use && instead of &
> 
> Signed-off-by: Niklas Cassel <niklas.cassel@xxxxxxxx>

Applied.