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authorDavid S. Miller <davem@sunset.davemloft.net>2007-10-12 09:15:08 +0400
committerDavid S. Miller <davem@sunset.davemloft.net>2007-10-12 09:17:20 +0400
commitd4faaecbcc6d9ea4f7c05f6de6af98e2336a4afb (patch)
tree20ce6e4991c0dc3b0701fbb0b37819f19d3e9d00 /lib/zlib_inflate/inflate.c
parent9ce768ead83216d394175c0a0d72bc527648c7d0 (diff)
downloadlinux-d4faaecbcc6d9ea4f7c05f6de6af98e2336a4afb.tar.xz
[ZLIB]: Fix external builds of zlib_inflate code.
Move zlib_inflate_blob() out into it's own source file, infutil.c, so that things like the powerpc zImage builder in arch/powerpc/boot/Makefile don't end up trying to compile it. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'lib/zlib_inflate/inflate.c')
-rw-r--r--lib/zlib_inflate/inflate.c47
1 files changed, 0 insertions, 47 deletions
diff --git a/lib/zlib_inflate/inflate.c b/lib/zlib_inflate/inflate.c
index 0ad1ebf00947..f5ce87b0800e 100644
--- a/lib/zlib_inflate/inflate.c
+++ b/lib/zlib_inflate/inflate.c
@@ -916,50 +916,3 @@ int zlib_inflateIncomp(z_stream *z)
return Z_OK;
}
-
-#include <linux/errno.h>
-#include <linux/slab.h>
-#include <linux/vmalloc.h>
-
-/* Utility function: initialize zlib, unpack binary blob, clean up zlib,
- * return len or negative error code. */
-int zlib_inflate_blob(void *gunzip_buf, unsigned sz, const void *buf, unsigned len)
-{
- const u8 *zbuf = buf;
- struct z_stream_s *strm;
- int rc;
-
- rc = -ENOMEM;
- strm = kmalloc(sizeof(*strm), GFP_KERNEL);
- if (strm == NULL)
- goto gunzip_nomem1;
- strm->workspace = kmalloc(zlib_inflate_workspacesize(), GFP_KERNEL);
- if (strm->workspace == NULL)
- goto gunzip_nomem2;
-
- /* gzip header (1f,8b,08... 10 bytes total + possible asciz filename)
- * expected to be stripped from input */
-
- strm->next_in = zbuf;
- strm->avail_in = len;
- strm->next_out = gunzip_buf;
- strm->avail_out = sz;
-
- rc = zlib_inflateInit2(strm, -MAX_WBITS);
- if (rc == Z_OK) {
- rc = zlib_inflate(strm, Z_FINISH);
- /* after Z_FINISH, only Z_STREAM_END is "we unpacked it all" */
- if (rc == Z_STREAM_END)
- rc = sz - strm->avail_out;
- else
- rc = -EINVAL;
- zlib_inflateEnd(strm);
- } else
- rc = -EINVAL;
-
- kfree(strm->workspace);
-gunzip_nomem2:
- kfree(strm);
-gunzip_nomem1:
- return rc; /* returns Z_OK (0) if successful */
-}