linux-kernel - [PATCH] drivers: infiniband: Fix compiler warning

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Date:	Fri, 25 Jan 2013 23:52:23 +0200
From:	Stratos Karafotis <stratosk@...aphore.gr>
To:	Roland Dreier <roland@...nel.org>,
	Sean Hefty <sean.hefty@...el.com>,
	Or Gerlitz <ogerlitz@...lanox.com>
CC:	linux-rdma@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] drivers: infiniband: Fix compiler warning

This patch fixes the following compiler warning of uninitialized variable

drivers/infiniband/hw/mlx4/qp.c: In function ‘mlx4_ib_post_send’:
drivers/infiniband/hw/mlx4/qp.c:1862:62: warning: ‘vlan’ may be used uninitialized
in this function [-Wmaybe-uninitialized]
drivers/infiniband/hw/mlx4/qp.c:1752:6: note: ‘vlan’ was declared here

Signed-off-by: Stratos Karafotis <stratosk@...aphore.gr>
---
 drivers/infiniband/hw/mlx4/qp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c
index 19e0637..37829b6 100644
--- a/drivers/infiniband/hw/mlx4/qp.c
+++ b/drivers/infiniband/hw/mlx4/qp.c
@@ -1749,7 +1749,7 @@ static int build_mlx_header(struct mlx4_ib_sqp *sqp, struct ib_send_wr *wr,
        int is_eth;
        int is_vlan = 0;
        int is_grh;
-       u16 vlan;
+       u16 vlan = 0;
        int err = 0;

        send_size = 0;
-- 
1.8.1

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