[patch 007/198] crypto: call zlib end functions on deflate exit path

[akpm@osdl.org]

From: Artem B. Bityuckiy <dedekind@infradead.org>

In the deflate_[compress|uncompress|pcompress] functions we call the
zlib_[in|de]flateReset function at the beginning.  This is OK.  But when we
unload the deflate module we don't call zlib_[in|de]flateEnd to free all
the zlib internal data.  It looks like a bug for me.  Please, consider the
attached patch.

Signed-off-by: Artem B. Bityuckiy <dedekind@infradead.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---

 25-akpm/crypto/deflate.c |    2 ++
 1 files changed, 2 insertions(+)

diff -puN crypto/deflate.c~crypto-call-zlib-end-functions-on-deflate-exit-path crypto/deflate.c
--- 25/crypto/deflate.c~crypto-call-zlib-end-functions-on-deflate-exit-path	2005-04-12 03:21:05.178349672 -0700
+++ 25-akpm/crypto/deflate.c	2005-04-12 03:21:05.181349216 -0700
@@ -93,11 +93,13 @@ out_free:
 
 static void deflate_comp_exit(struct deflate_ctx *ctx)
 {
+	zlib_deflateEnd(&ctx->comp_stream);
 	vfree(ctx->comp_stream.workspace);
 }
 
 static void deflate_decomp_exit(struct deflate_ctx *ctx)
 {
+	zlib_inflateEnd(&ctx->decomp_stream);
 	kfree(ctx->decomp_stream.workspace);
 }
 
_
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