Re: [PATCH v2 1/3] staging: greybus: sdio: fix cmd_flags check for none response

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

 



On Fri, Sep 30, 2016 at 11:54 PM, Rui Miguel Silva <rmfrfs@xxxxxxxxx> wrote:
> When checking for command flags field if response is not available we
> really need to compare it with the right define and not bitwise AND it.
>
> smatch warn:
>         drivers/staging/greybus/sdio.c:481 gb_sdio_command()
>         warn: bitwise AND condition is false here
>
> Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> Signed-off-by: Rui Miguel Silva <rmfrfs@xxxxxxxxx>
> ---
>  drivers/staging/greybus/sdio.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/staging/greybus/sdio.c b/drivers/staging/greybus/sdio.c
> index c7133b1..5649ef1 100644
> --- a/drivers/staging/greybus/sdio.c
> +++ b/drivers/staging/greybus/sdio.c
> @@ -478,7 +478,7 @@ static int gb_sdio_command(struct gb_sdio_host *host, struct mmc_command *cmd)
>                 goto out;
>
>         /* no response expected */
> -       if (cmd_flags & GB_SDIO_RSP_NONE)
> +       if (cmd_flags == GB_SDIO_RSP_NONE)
>                 goto out;
>
>         /* long response expected */

Acked-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
_______________________________________________
devel mailing list
devel@xxxxxxxxxxxxxxxxxxxxxx
http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel



[Index of Archives]     [Linux Driver Backports]     [DMA Engine]     [Linux GPIO]     [Linux SPI]     [Video for Linux]     [Linux USB Devel]     [Linux Coverity]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [Yosemite Backpacking]
  Powered by Linux