crypto: zstd - Fix compression bug caused by truncation

commit 81c1a15eb4 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: f5ad93ffb5 ("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>
This commit is contained in:
Herbert Xu 2025-09-30 16:08:34 +08:00 • committed by Greg Kroah-Hartman
commit 15ea288e1d