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crypto: octeontx2 - add missing check for dma_map_single

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BugLink: https://bugs.launchpad.net/bugs/2071621

[ Upstream commit 6a6d6a3a328a59ed0d8ae2e65696ef38e49133a0 ]

Add check for dma_map_single() and return error if it fails in order
to avoid invalid dma address.

Fixes: e92971117c ("crypto: octeontx2 - add ctx_val workaround")
Signed-off-by: Chen Ni <nichen@iscas.ac.cn>
Reviewed-by: Bharat Bhushan <bbhushan2@marvell.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Manuel Diewald <manuel.diewald@canonical.com>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
This commit is contained in:
Chen Ni
2024-04-08 01:59:14 +00:00
committed by Stefan Bader
parent 14f95d3889
commit 8c860f4726
1 changed files with 4 additions and 0 deletions
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drivers/crypto/marvell/octeontx2/cn10k_cpt.c
+4
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@@ -138,6 +138,10 @@ int cn10k_cpt_hw_ctx_init(struct pci_dev *pdev,
return -ENOMEM;
cptr_dma = dma_map_single(&pdev->dev, hctx, CN10K_CPT_HW_CTX_SIZE,
DMA_BIDIRECTIONAL);
if (dma_mapping_error(&pdev->dev, cptr_dma)) {
kfree(hctx);
return -ENOMEM;
}
cn10k_cpt_hw_ctx_set(hctx, 1);
er_ctx->hw_ctx = hctx;