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crypto: ccree - fix a memory leak in cc_mac_digest()

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Add cc_unmap_result() if cc_map_hash_request_final()
fails to prevent potential memory leak.

Fixes: 63893811b0 ("crypto: ccree - add ahash support")
Cc: stable@vger.kernel.org
Signed-off-by: Haoxiang Li <lihaoxiang@isrc.iscas.ac.cn>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Haoxiang Li
2026-03-30 11:34:02 +08:00
committed by Herbert Xu
parent 879a4f78ea
commit 02c64052fa
1 changed files with 1 additions and 0 deletions
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1
drivers/crypto/ccree/cc_hash.c
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@@ -1448,6 +1448,7 @@ static int cc_mac_digest(struct ahash_request *req)
if (cc_map_hash_request_final(ctx->drvdata, state, req->src,
req->nbytes, 1, flags)) {
dev_err(dev, "map_ahash_request_final() failed\n");
cc_unmap_result(dev, state, digestsize, req->result);
cc_unmap_req(dev, state, ctx);
return -ENOMEM;
}