From: Arnd Bergmann Date: Mon, 20 Mar 2017 08:49:27 +0000 (+0100) Subject: qedf: fix wrong le16 conversion X-Git-Tag: v4.14-rc1~960^3~365 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6f359f99b8c2ff3b09329611da00fe39a7c10e7e;p=platform%2Fkernel%2Flinux-rpi.git qedf: fix wrong le16 conversion 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 Acked-by: Chad Dupuis Signed-off-by: David S. Miller --- diff --git a/drivers/scsi/qedf/drv_fcoe_fw_funcs.c b/drivers/scsi/qedf/drv_fcoe_fw_funcs.c index bb812db..8c65e3b 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)0x0000FFFF) +#define FCOE_RX_ID (0xFFFFu) 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 = &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 = &ctx->ustorm_ag_context;