From: Ricardo Ribalda Delgado <ricardo.ribalda@uam.es>
Date: Mon, 27 Apr 2009 16:33:33 +0000 (+0200)
Subject: ubifs: BUG: Blocks commpressed with zlib
X-Git-Tag: v2009.06-rc1~5
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c1a0fd5f2864e9d381f4a3dc948942cac974e89a;p=kernel%2Fu-boot.git

ubifs: BUG: Blocks commpressed with zlib

Blocks compressed with zlib dont have the full gzip header.

Without this patch, block compressed with zlib cannot be readed!

Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@uam.es>
---

diff --git a/fs/ubifs/ubifs.c b/fs/ubifs/ubifs.c
index 427d84a..91fc574 100644
--- a/fs/ubifs/ubifs.c
+++ b/fs/ubifs/ubifs.c
@@ -24,6 +24,7 @@
  */
 
 #include "ubifs.h"
+#include <u-boot/zlib.h>
 
 #if !defined(CONFIG_SYS_64BIT_VSPRINTF)
 #warning Please define CONFIG_SYS_64BIT_VSPRINTF for correct output!
@@ -34,14 +35,14 @@ DECLARE_GLOBAL_DATA_PTR;
 /* compress.c */
 
 /*
- * We need a wrapper for gunzip() because the parameters are
+ * We need a wrapper for zunzip() because the parameters are
  * incompatible with the lzo decompressor.
  */
 static int gzip_decompress(const unsigned char *in, size_t in_len,
 			   unsigned char *out, size_t *out_len)
 {
 	unsigned long len = in_len;
-	return gunzip(out, *out_len, (unsigned char *)in, &len);
+	return zunzip(out, *out_len, (unsigned char *)in, &len, 0, 0);
 }
 
 /* Fake description object for the "none" compressor */
diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h
index 91351de..43865aa 100644
--- a/fs/ubifs/ubifs.h
+++ b/fs/ubifs/ubifs.h
@@ -2172,6 +2172,7 @@ int ubifs_decompress(const void *buf, int len, void *out, int *out_len,
 /* todo: Move these to a common U-Boot header */
 int lzo1x_decompress_safe(const unsigned char *in, size_t in_len,
 			  unsigned char *out, size_t *out_len);
-int gunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp);
 
+int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp,
+						int stoponerr, int offset);
 #endif /* !__UBIFS_H__ */