Re: [PATCH] crypto: qat - fix CTX_ENABLES bits shift direction issue

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 




Am 16.12.2015 03:39, schrieb Yang Pingchao:
> AE CTX bits should be 8-15 in CTX_ENABLES, so the mask
> value 0xff should be left shifted 0x8.
> 
> Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> Signed-off-by: Yang Pingchao <pingchao.yang@xxxxxxxxx>
> ---
>  drivers/crypto/qat/qat_common/qat_hal.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/crypto/qat/qat_common/qat_hal.c b/drivers/crypto/qat/qat_common/qat_hal.c
> index 45c1739..81bd1fe 100644
> --- a/drivers/crypto/qat/qat_common/qat_hal.c
> +++ b/drivers/crypto/qat/qat_common/qat_hal.c
> @@ -418,7 +418,7 @@ int qat_hal_check_ae_active(struct icp_qat_fw_loader_handle *handle,
>  
>  	qat_hal_rd_ae_csr(handle, ae, CTX_ENABLES, &enable);
>  	qat_hal_rd_ae_csr(handle, ae, ACTIVE_CTX_STATUS, &active);
> -	if ((enable & (0xff >> CE_ENABLE_BITPOS)) ||
> +	if ((enable & (0xff << CE_ENABLE_BITPOS)) ||
>  	    (active & (1 << ACS_ABO_BITPOS)))
>  		return 1;
>  	else

Is there any reason for using 0xff << CE_ENABLE_BITPOS instead of 0xff00 ?

re,
 wh
--
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



[Index of Archives]     [Kernel Development]     [Kernel Announce]     [Kernel Newbies]     [Linux Networking Development]     [Share Photos]     [IDE]     [Security]     [Git]     [Netfilter]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Device Mapper]

  Powered by Linux