diff mbox series

[v2] net/virtio: fix repeated memory free of vq

Message ID 20210803234516.859-1-gaoxiangliu0@163.com (mailing list archive)
State Superseded, archived
Delegated to: Maxime Coquelin
Headers
Series [v2] net/virtio: fix repeated memory free of vq |

Checks

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ci/checkpatch success coding style OK
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ci/iol-x86_64-unit-testing success Testing PASS
ci/iol-x86_64-compile-testing success Testing PASS

Commit Message

Gaoxiang Liu Aug. 3, 2021, 11:45 p.m. UTC 
  When virtio_init_queue returns error, the memory of vq is freed.
But the value of hw->vqs[queue_idx] does not restore.
If hw->vqs[queue_idx] != NULL, the memory of vq is freed again
in virtio_free_queues.

Fixes: 69c80d4ef89b ("net/virtio: allocate queue at init stage")
Cc: stable@dpdk.org

Signed-off-by: Gaoxiang Liu <gaoxiangliu0@163.com>

v2:
fix spelling warning
---
 drivers/net/virtio/virtio_ethdev.c | 1 +
 1 file changed, 1 insertion(+)

Comments

Gaoxiang Liu Aug. 5, 2021, 8:08 a.m. UTC | #1 
On 08/04/2021 07:45, Gaoxiang Liu wrote:
When virtio_init_queue returns error, the memory of vq is freed.
But the value of hw->vqs[queue_idx] does not restore.
If hw->vqs[queue_idx] != NULL, the memory of vq is freed again
in virtio_free_queues.

Fixes: 69c80d4ef89b ("net/virtio: allocate queue at init stage")
Cc: stable@dpdk.org

Signed-off-by: Gaoxiang Liu <gaoxiangliu0@163.com>

v2:
fix spelling warning
---
drivers/net/virtio/virtio_ethdev.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c
index 056830566..fc72d71cb 100644
--- a/drivers/net/virtio/virtio_ethdev.c
+++ b/drivers/net/virtio/virtio_ethdev.c
@@ -631,6 +631,7 @@ virtio_init_queue(struct rte_eth_dev *dev, uint16_t queue_idx)
     rte_memzone_free(mz);
free_vq:
     rte_free(vq);
+     hw->vqs[queue_idx] = NULL;

     return ret;
}
--
2.32.0
diff mbox series

Patch

diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c
index 056830566..fc72d71cb 100644
--- a/drivers/net/virtio/virtio_ethdev.c
+++ b/drivers/net/virtio/virtio_ethdev.c
@@ -631,6 +631,7 @@  virtio_init_queue(struct rte_eth_dev *dev, uint16_t queue_idx)
 	rte_memzone_free(mz);
 free_vq:
 	rte_free(vq);
+	hw->vqs[queue_idx] = NULL;
 
 	return ret;
 }