[dpdk-dev] [PATCH v3 01/30] i40e/base: use explicit cast from u16 to u8

Helin Zhang helin.zhang at intel.com
Thu Feb 18 15:34:07 CET 2016


Current implementation generates compilation warnings.

Signed-off-by: Helin Zhang <helin.zhang at intel.com>
---
 drivers/net/i40e/base/i40e_lan_hmc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/i40e/base/i40e_lan_hmc.c b/drivers/net/i40e/base/i40e_lan_hmc.c
index 6511767..2260648 100644
--- a/drivers/net/i40e/base/i40e_lan_hmc.c
+++ b/drivers/net/i40e/base/i40e_lan_hmc.c
@@ -769,7 +769,7 @@ static void i40e_write_byte(u8 *hmc_bits,
 
 	/* prepare the bits and mask */
 	shift_width = ce_info->lsb % 8;
-	mask = BIT(ce_info->width) - 1;
+	mask = (u8)(BIT(ce_info->width) - 1);
 
 	src_byte = *from;
 	src_byte &= mask;
@@ -954,7 +954,7 @@ static void i40e_read_byte(u8 *hmc_bits,
 
 	/* prepare the bits and mask */
 	shift_width = ce_info->lsb % 8;
-	mask = BIT(ce_info->width) - 1;
+	mask = (u8)(BIT(ce_info->width) - 1);
 
 	/* shift to correct alignment */
 	mask <<= shift_width;
-- 
2.5.0



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