bzip2/lzma: remove nasty uncompressed size hack in pre-boot environment

[safe/jmp/linux-2.6] / lib / decompress_unlzma.c

diff --git a/lib/decompress_unlzma.c b/lib/decompress_unlzma.c
index 32123a1..d3f9468 100644 (file)
--- a/lib/decompress_unlzma.c
+++ b/lib/decompress_unlzma.c
@@ -29,7 +29,9 @@
  *Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
-#ifndef STATIC
+#ifdef STATIC
+#define PREBOOT
+#else
 #include <linux/decompress/unlzma.h>
 #endif /* STATIC */
 
@@ -543,9 +545,7 @@ STATIC inline int INIT unlzma(unsigned char *buf, int in_len,
        int ret = -1;
 
        set_error_fn(error_fn);
-       if (!flush)
-               in_len -= 4; /* Uncompressed size hack active in pre-boot
-                               environment */
+
        if (buf)
                inbuf = buf;
        else
@@ -645,4 +645,15 @@ exit_0:
        return ret;
 }
 
-#define decompress unlzma
+#ifdef PREBOOT
+STATIC int INIT decompress(unsigned char *buf, int in_len,
+                             int(*fill)(void*, unsigned int),
+                             int(*flush)(void*, unsigned int),
+                             unsigned char *output,
+                             int *posp,
+                             void(*error_fn)(char *x)
+       )
+{
+       return unlzma(buf, in_len - 4, fill, flush, output, posp, error_fn);
+}
+#endif