[dpdk-dev] [PATCH] net/ifcvf: fix last used idx read

Xiao Wang xiao.w.wang at intel.com
Mon Apr 23 19:48:21 CEST 2018


Fixes: 7b0c17368af2 ("net/ifcvf: add ifcvf vdpa driver")

Signed-off-by: Xiao Wang <xiao.w.wang at intel.com>
---
 drivers/net/ifc/base/ifcvf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ifc/base/ifcvf.c b/drivers/net/ifc/base/ifcvf.c
index d312ad99f..bbeed30e8 100644
--- a/drivers/net/ifc/base/ifcvf.c
+++ b/drivers/net/ifc/base/ifcvf.c
@@ -250,7 +250,7 @@ ifcvf_hw_disable(struct ifcvf_hw *hw)
 		ring_state = *(u32 *)(hw->lm_cfg + IFCVF_LM_RING_STATE_OFFSET +
 				(i / 2) * IFCVF_LM_CFG_SIZE + (i % 2) * 4);
 		hw->vring[i].last_avail_idx = (u16)ring_state;
-		hw->vring[i].last_used_idx = (u16)ring_state >> 16;
+		hw->vring[i].last_used_idx = (u16)(ring_state >> 16);
 	}
 }
 
-- 
2.15.1



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