6.17-stable review patch. If anyone has any objections, please let me know.
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From: Herbert Xu herbert@gondor.apana.org.au
commit 81c1a15eb4a273eabedfcc28eb6afa4b50cb8a46 upstream.
Use size_t for the return value of zstd_compress_cctx as otherwise negative errors will be truncated to a positive value.
Reported-by: Han Xu han.xu@nxp.com Fixes: f5ad93ffb541 ("crypto: zstd - convert to acomp") Signed-off-by: Herbert Xu herbert@gondor.apana.org.au Reviewed-by: David Sterba dsterba@suse.com Tested-by: Han Xu han.xu@nxp.com Signed-off-by: Herbert Xu herbert@gondor.apana.org.au Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- crypto/zstd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/crypto/zstd.c b/crypto/zstd.c index c2a19cb0879d..ac318d333b68 100644 --- a/crypto/zstd.c +++ b/crypto/zstd.c @@ -83,7 +83,7 @@ static void zstd_exit(struct crypto_acomp *acomp_tfm) static int zstd_compress_one(struct acomp_req *req, struct zstd_ctx *ctx, const void *src, void *dst, unsigned int *dlen) { - unsigned int out_len; + size_t out_len;
ctx->cctx = zstd_init_cctx(ctx->wksp, ctx->wksp_size); if (!ctx->cctx)