diff options
| author | Nick Child <nnac123@linux.ibm.com> | 2023-08-09 17:10:35 -0500 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2023-08-10 10:36:36 -0700 |
| commit | 411c565b4bc63e9584a8493882bd566e35a90588 (patch) | |
| tree | d71630da6035d5b424c6c502f170a45d30f23e0d | |
| parent | db17ba719bceb52f0ae4ebca0e4c17d9a3bebf05 (diff) | |
| download | linux-411c565b4bc63e9584a8493882bd566e35a90588.tar.gz | |
ibmvnic: Unmap DMA login rsp buffer on send login fail
If the LOGIN CRQ fails to send then we must DMA unmap the response
buffer. Previously, if the CRQ failed then the memory was freed without
DMA unmapping.
Fixes: c98d9cc4170d ("ibmvnic: send_login should check for crq errors")
Signed-off-by: Nick Child <nnac123@linux.ibm.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20230809221038.51296-2-nnac123@linux.ibm.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
| -rw-r--r-- | drivers/net/ethernet/ibm/ibmvnic.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c index f4bb2c9ab9a4d..668c675561900 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.c +++ b/drivers/net/ethernet/ibm/ibmvnic.c @@ -4830,11 +4830,14 @@ static int send_login(struct ibmvnic_adapter *adapter) if (rc) { adapter->login_pending = false; netdev_err(adapter->netdev, "Failed to send login, rc=%d\n", rc); - goto buf_rsp_map_failed; + goto buf_send_failed; } return 0; +buf_send_failed: + dma_unmap_single(dev, rsp_buffer_token, rsp_buffer_size, + DMA_FROM_DEVICE); buf_rsp_map_failed: kfree(login_rsp_buffer); adapter->login_rsp_buf = NULL; |