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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 | 4c636c1916324c5e8d13479b52f21f5152af2742 (patch) | |
| tree | a4357b4a5411cdeb2037fd097433d383665bca45 | |
| parent | d2868ae33ab257f2273d436b38cc390414a9384f (diff) | |
| download | linux-crypto-4c636c1916324c5e8d13479b52f21f5152af2742.tar.gz linux-crypto-4c636c1916324c5e8d13479b52f21f5152af2742.zip | |
crypto: algif_skcipher - Cap recv SG list at ctx->used
Somewhere along the line the cap on the SG list length for receive
was lost. This patch restores it and removes the subsequent test
which is now redundant.
Fixes: c1b1fa586429 ("crypto: af_alg - consolidation of...")
Cc: <stable@vger.kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Reviewed-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | crypto/algif_skcipher.c | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c index e2c8ab40..4c3bdffe 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. |