VisionFive2 Linux kernel

StarFive Tech Linux Kernel for VisionFive (JH7110) boards (mirror)

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author: Herbert Xu <herbert@gondor.apana.org.au> 2020-05-29 14:54:43 +1000 committer: Herbert Xu <herbert@gondor.apana.org.au> 2020-06-15 17:38:53 +1000 commit: 7cf81954705b7e5b057f7dc39a7ded54422ab6e1 parent: 95459261c99f1621d90bc628c2a48e60b7cf9a88
Commit Summary:
crypto: algif_skcipher - Cap recv SG list at ctx->used
Diffstat:
1 file changed, 1 insertion, 5 deletions
diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c
index e2c8ab408bed..4c3bdffe0c3a 100644
--- a/crypto/algif_skcipher.c
+++ b/crypto/algif_skcipher.c
@@ -74,14 +74,10 @@ static int _skcipher_recvmsg(struct socket *sock, struct msghdr *msg,
 		return PTR_ERR(areq);
 
 	/* convert iovecs of output buffers into RX SGL */
-	err = af_alg_get_rsgl(sk, msg, flags, areq, -1, &len);
+	err = af_alg_get_rsgl(sk, msg, flags, areq, ctx->used, &len);
 	if (err)
 		goto free;
 
-	/* Process only as much RX buffers for which we have TX data */
-	if (len > ctx->used)
-		len = ctx->used;
-
 	/*
 	 * If more buffers are to be expected to be processed, process only
 	 * full block size buffers.