Re: [PATCH] qedf: fix wrong le16 conversion

2017-03-23 Thread Martin K. Petersen
David Miller  writes:

>> Dave: Since you queued the firmware patch, mind taking this fix through
>> your tree?
>
> Ok, applied to net-next, thanks.

Great, thanks!

-- 
Martin K. Petersen  Oracle Linux Engineering


Re: [PATCH] qedf: fix wrong le16 conversion

2017-03-23 Thread David Miller
From: "Martin K. Petersen" 
Date: Thu, 23 Mar 2017 10:19:03 -0400

> Arnd Bergmann  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 
>> ---
>>  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?

Ok, applied to net-next, thanks.


Re: [PATCH] qedf: fix wrong le16 conversion

2017-03-23 Thread Martin K. Petersen
Arnd Bergmann  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 
> ---
>  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


Re: [PATCH] qedf: fix wrong le16 conversion

2017-03-20 Thread Chad Dupuis

On Mon, 20 Mar 2017, 8:49am -, Arnd Bergmann wrote:

> 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 
> ---
>  drivers/scsi/qedf/drv_fcoe_fw_funcs.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/scsi/qedf/drv_fcoe_fw_funcs.c 
> b/drivers/scsi/qedf/drv_fcoe_fw_funcs.c
> index bb812db48da6..8c65e3b034dc 100644
> --- a/drivers/scsi/qedf/drv_fcoe_fw_funcs.c
> +++ b/drivers/scsi/qedf/drv_fcoe_fw_funcs.c
> @@ -8,7 +8,7 @@
>  #include "drv_fcoe_fw_funcs.h"
>  #include "drv_scsi_fw_funcs.h"
>  
> -#define FCOE_RX_ID ((u32)0x)
> +#define FCOE_RX_ID (0xu)
>  
>  static inline void init_common_sqe(struct fcoe_task_params *task_params,
>  enum fcoe_sqe_request_type request_type)
> @@ -59,7 +59,7 @@ int init_initiator_rw_fcoe_task(struct fcoe_task_params 
> *task_params,
>   t_st_ctx->read_only.task_type = task_params->task_type;
>   SET_FIELD(t_st_ctx->read_write.flags,
> FCOE_TSTORM_FCOE_TASK_ST_CTX_READ_WRITE_EXP_FIRST_FRAME, 1);
> - t_st_ctx->read_write.rx_id = cpu_to_le32(FCOE_RX_ID);
> + t_st_ctx->read_write.rx_id = cpu_to_le16(FCOE_RX_ID);
>  
>   /* Ustorm ctx */
>   u_ag_ctx = >ustorm_ag_context;
> @@ -151,7 +151,7 @@ int init_initiator_midpath_unsolicited_fcoe_task(
>   t_st_ctx->read_only.task_type = task_params->task_type;
>   SET_FIELD(t_st_ctx->read_write.flags,
> FCOE_TSTORM_FCOE_TASK_ST_CTX_READ_WRITE_EXP_FIRST_FRAME, 1);
> - t_st_ctx->read_write.rx_id = cpu_to_le32(FCOE_RX_ID);
> + t_st_ctx->read_write.rx_id = cpu_to_le16(FCOE_RX_ID);
>  
>   /* Init Ustorm */
>   u_ag_ctx = >ustorm_ag_context;
> 

Arnd, thanks for fixing this up.

Acked-by: Chad Dupuis