From: Jason Wang <jasowang@redhat.com>
To: mst@redhat.com, jasowang@redhat.com,
virtualization@lists.linux-foundation.org,
linux-kernel@vger.kernel.org
Cc: elic@nvidia.com
Subject: [PATCH V2] mlx5: vdpa: fix possible uninitialized var
Date: Thu, 14 Jan 2021 15:09:04 +0800 [thread overview]
Message-ID: <20210114070904.9981-1-jasowang@redhat.com> (raw)
When compiling with -Werror=maybe-uninitialized, gcc may complains the
possible uninitialized umem. Since the callers won't pass value other
than 1 to 3, making 3 as default to fix the compiler warning.
Signed-off-by: Jason Wang <jasowang@redhat.com>
---
drivers/vdpa/mlx5/net/mlx5_vnet.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c
index f1d54814db97..07ccc61cd6f6 100644
--- a/drivers/vdpa/mlx5/net/mlx5_vnet.c
+++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c
@@ -703,7 +703,7 @@ static void umem_destroy(struct mlx5_vdpa_net *ndev, struct mlx5_vdpa_virtqueue
case 2:
umem = &mvq->umem2;
break;
- case 3:
+ default:
umem = &mvq->umem3;
break;
}
--
2.25.1
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WARNING: multiple messages have this Message-ID (diff)
From: Jason Wang <jasowang@redhat.com>
To: mst@redhat.com, jasowang@redhat.com,
virtualization@lists.linux-foundation.org,
linux-kernel@vger.kernel.org
Cc: elic@nvidia.com
Subject: [PATCH V2] mlx5: vdpa: fix possible uninitialized var
Date: Thu, 14 Jan 2021 15:09:04 +0800 [thread overview]
Message-ID: <20210114070904.9981-1-jasowang@redhat.com> (raw)
When compiling with -Werror=maybe-uninitialized, gcc may complains the
possible uninitialized umem. Since the callers won't pass value other
than 1 to 3, making 3 as default to fix the compiler warning.
Signed-off-by: Jason Wang <jasowang@redhat.com>
---
drivers/vdpa/mlx5/net/mlx5_vnet.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c
index f1d54814db97..07ccc61cd6f6 100644
--- a/drivers/vdpa/mlx5/net/mlx5_vnet.c
+++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c
@@ -703,7 +703,7 @@ static void umem_destroy(struct mlx5_vdpa_net *ndev, struct mlx5_vdpa_virtqueue
case 2:
umem = &mvq->umem2;
break;
- case 3:
+ default:
umem = &mvq->umem3;
break;
}
--
2.25.1
next reply other threads:[~2021-01-14 7:09 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-14 7:09 Jason Wang [this message]
2021-01-14 7:09 ` [PATCH V2] mlx5: vdpa: fix possible uninitialized var Jason Wang
2021-01-14 7:23 ` Eli Cohen
2021-01-17 10:30 ` Michael S. Tsirkin
2021-01-17 10:30 ` Michael S. Tsirkin
2021-01-18 5:32 ` Jason Wang
2021-01-18 5:32 ` Jason Wang
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