On Thu, Aug 10, 2023 at 04:48:36PM +0800, Li Zetao wrote:
> There are two warnings reported by smatch:
>
> drivers/block/ublk_drv.c:445 ublk_setup_iod_zoned() warn:
> signedness bug returning '(-95)'
> drivers/block/ublk_drv.c:963 ublk_setup_iod() warn:
> signedness bug returning '(-5)'
>
> The type of "blk_status_t" is either be a u32 or u8, but this two
> functions return a negative value when not supported or failed. Use
> the error code of the blk module to fix these warnings.
>
> Fixes: 29802d7ca33b ("ublk: enable zoned storage support")
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
> Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> Closes: https://lore.kernel.org/r/202308100201.TCRhgdvN-lkp@xxxxxxxxx/
> Signed-off-by: Li Zetao <lizetao1@xxxxxxxxxx>
Reviewed-by: Ming Lei <ming.lei@xxxxxxxxxx>
thanks,
Ming
