diff options
| author |   Thomas Fourier <fourier.thomas@gmail.com> | 2025-06-30 11:23:46 +0200 |
|---|---|---|
| committer |   Leon Romanovsky <leon@kernel.org> | 2025-07-02 05:11:44 -0400 |
| commit | 1db50f7b7a793670adcf062df9ff27798829d963 (patch) | |
| tree | be9edfde8b0852f107215ff4355c0012c9a268b9 | |
| parent | RDMA/counter: Check CAP_NET_RAW check in user namespace for RDMA counters (diff) | |
| download | wireguard-linux-1db50f7b7a793670adcf062df9ff27798829d963.tar.xz wireguard-linux-1db50f7b7a793670adcf062df9ff27798829d963.zip | |
Fix dma_unmap_sg() nents value
The dma_unmap_sg() functions should be called with the same nents as the
dma_map_sg(), not the value the map function returned.
Fixes: ed10435d3583 ("RDMA/erdma: Implement hierarchical MTT")
Signed-off-by: Thomas Fourier <fourier.thomas@gmail.com>
Link: https://patch.msgid.link/20250630092346.81017-2-fourier.thomas@gmail.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
| -rw-r--r-- | drivers/infiniband/hw/erdma/erdma_verbs.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/erdma/erdma_verbs.c b/drivers/infiniband/hw/erdma/erdma_verbs.c index af36a8d2df22..ec0ad4086066 100644 --- a/drivers/infiniband/hw/erdma/erdma_verbs.c +++ b/drivers/infiniband/hw/erdma/erdma_verbs.c @@ -629,7 +629,8 @@ err_free_mtt: static void erdma_destroy_mtt_buf_sg(struct erdma_dev *dev, struct erdma_mtt *mtt) { - dma_unmap_sg(&dev->pdev->dev, mtt->sglist, mtt->nsg, DMA_TO_DEVICE); + dma_unmap_sg(&dev->pdev->dev, mtt->sglist, + DIV_ROUND_UP(mtt->size, PAGE_SIZE), DMA_TO_DEVICE); vfree(mtt->sglist); } |