Re: [PATCH] qedf: fix wrong le16 conversion

From: Martin K. Petersen
Date: Thu Mar 23 2017 - 10:19:26 EST


Arnd Bergmann <arnd@xxxxxxxx> writes:

> gcc points out that we are converting a 16-bit integer into a 32-bit
> little-endian type and assigning that to 16-bit little-endian
> will end up with a zero:
>
> drivers/scsi/qedf/drv_fcoe_fw_funcs.c: In function 'init_initiator_rw_fcoe_task':
> include/uapi/linux/byteorder/big_endian.h:32:26: error: large integer implicitly truncated to unsigned type [-Werror=overflow]
> t_st_ctx->read_write.rx_id = cpu_to_le32(FCOE_RX_ID);
>
> The correct solution appears to be to just use a 16-bit byte swap instead.
>
> Fixes: be086e7c53f1 ("qed*: Utilize Firmware 8.15.3.0")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> ---
> drivers/scsi/qedf/drv_fcoe_fw_funcs.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)

Dave: Since you queued the firmware patch, mind taking this fix through
your tree?

--
Martin K. Petersen Oracle Linux Engineering