lib: add support for LZ4-compressed kernel

[cascardo/linux.git] / lib / decompress.c

diff --git a/lib/decompress.c b/lib/decompress.c
index f8fdeda..4d1cd03 100644 (file)
--- a/lib/decompress.c
+++ b/lib/decompress.c
@@ -11,6 +11,7 @@
 #include <linux/decompress/unxz.h>
 #include <linux/decompress/inflate.h>
 #include <linux/decompress/unlzo.h>
+#include <linux/decompress/unlz4.h>
 
 #include <linux/types.h>
 #include <linux/string.h>
@@ -31,6 +32,9 @@
 #ifndef CONFIG_DECOMPRESS_LZO
 # define unlzo NULL
 #endif
+#ifndef CONFIG_DECOMPRESS_LZ4
+# define unlz4 NULL
+#endif
 
 struct compress_format {
        unsigned char magic[2];
@@ -45,6 +49,7 @@ static const struct compress_format compressed_formats[] __initconst = {
        { {0x5d, 0x00}, "lzma", unlzma },
        { {0xfd, 0x37}, "xz", unxz },
        { {0x89, 0x4c}, "lzo", unlzo },
+       { {0x02, 0x21}, "lz4", unlz4 },
        { {0, 0}, NULL, NULL }
 };