On Mon, Jul 18, 2005 at 01:26:35PM +1000, Nigel Cunningham wrote:
>
> Here's a resend of a patch I'm using in Suspend2's new cryptoapi
> support, which is needed for us to successfully compress pages using
> deflate. It's along the lines of the existing fix in the decompression
> code.
>
> diff -ruNp 190-cryptoapi-deflate.patch-old/crypto/deflate.c 190-cryptoapi-deflate.patch-new/crypto/deflate.c
> --- 190-cryptoapi-deflate.patch-old/crypto/deflate.c 2005-06-20 11:46:49.000000000 +1000
> +++ 190-cryptoapi-deflate.patch-new/crypto/deflate.c 2005-07-04 23:14:20.000000000 +1000
> @@ -143,8 +143,15 @@ static int deflate_compress(void *ctx, c
>
> ret = zlib_deflate(stream, Z_FINISH);
> if (ret != Z_STREAM_END) {
> - ret = -EINVAL;
> - goto out;
> + if (!(ret == Z_OK && !stream->avail_in && !stream->avail_out)) {
> + ret = -EINVAL;
> + goto out;
> + } else {
> + u8 zerostuff = 0;
> + stream->next_out = &zerostuff;
> + stream->avail_out = 1;
> + ret = zlib_deflate(stream, Z_FINISH);
> + }
> }
> ret = 0;
> *dlen = stream->total_out;
Hi Nigel, I need a bit more information about this patch.
Do you have a specific input stream that requires a fix like
this?
Thanks,
--
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