netdev - [PATCH] net, mellanox mlx4 Fix compile warnings

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Message-Id: <1379075438-20240-1-git-send-email-prarit@redhat.com>
Date:	Fri, 13 Sep 2013 08:30:38 -0400
From:	Prarit Bhargava <prarit@...hat.com>
To:	netdev@...r.kernel.org
Cc:	Prarit Bhargava <prarit@...hat.com>, dledford@...hat.com,
	Amir Vadai <amirv@...lanox.com>,
	Or Gerlitz <ogerlitz@...lanox.com>
Subject: [PATCH] net, mellanox mlx4 Fix compile warnings

Fix unitialized variable warnings.

drivers/net/ethernet/mellanox/mlx4/resource_tracker.c: In function ‘mlx4_HW2SW_CQ_wrapper’:
drivers/net/ethernet/mellanox/mlx4/resource_tracker.c:2551:16: error: ‘cq’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
  atomic_dec(&cq->mtt->ref_count);
                ^
drivers/net/ethernet/mellanox/mlx4/resource_tracker.c: In function ‘mlx4_HW2SW_SRQ_wrapper’:
drivers/net/ethernet/mellanox/mlx4/resource_tracker.c:2734:17: error: ‘srq’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
  atomic_dec(&srq->mtt->ref_count);

Signed-off-by: Prarit Bhargava <prarit@...hat.com>
Cc: dledford@...hat.com
Cc: Amir Vadai <amirv@...lanox.com>
Cc: Or Gerlitz <ogerlitz@...lanox.com>
---
 .../net/ethernet/mellanox/mlx4/resource_tracker.c  |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
index dd68763..d703838 100644
--- a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
+++ b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
@@ -2563,7 +2563,7 @@ int mlx4_HW2SW_CQ_wrapper(struct mlx4_dev *dev, int slave,
 {
 	int err;
 	int cqn = vhcr->in_modifier;
-	struct res_cq *cq;
+	struct res_cq *uninitialized_var(cq);
 
 	err = cq_res_start_move_to(dev, slave, cqn, RES_CQ_ALLOCATED, &cq);
 	if (err)
@@ -2746,7 +2746,7 @@ int mlx4_HW2SW_SRQ_wrapper(struct mlx4_dev *dev, int slave,
 {
 	int err;
 	int srqn = vhcr->in_modifier;
-	struct res_srq *srq;
+	struct res_srq *uninitialized_var(srq);
 
 	err = srq_res_start_move_to(dev, slave, srqn, RES_SRQ_ALLOCATED, &srq);
 	if (err)
-- 
1.7.9.3

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