Commit 2f7caf6b authored by Gilad Ben-Yossef's avatar Gilad Ben-Yossef Committed by Greg Kroah-Hartman
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staging: ccree: check DMA pool buf !NULL before free

If we ran out of DMA pool buffers, we get into the unmap
code path with a NULL before. Deal with this by checking
the virtual mapping is not NULL.

Signed-off-by: default avatarGilad Ben-Yossef <>
Signed-off-by: default avatarGreg Kroah-Hartman <>
parent 5ced2664
......@@ -465,7 +465,8 @@ void cc_unmap_blkcipher_request(struct device *dev, void *ctx,
/* Release pool */
if (req_ctx->dma_buf_type == CC_DMA_BUF_MLLI) {
if (req_ctx->dma_buf_type == CC_DMA_BUF_MLLI &&
req_ctx->mlli_params.mlli_virt_addr) {
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