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Diffstat (limited to 'arch/arm/boot/compressed/misc.c')
-rw-r--r--arch/arm/boot/compressed/misc.c24
1 files changed, 10 insertions, 14 deletions
diff --git a/arch/arm/boot/compressed/misc.c b/arch/arm/boot/compressed/misc.c
index 2df38263124c..832d37236c59 100644
--- a/arch/arm/boot/compressed/misc.c
+++ b/arch/arm/boot/compressed/misc.c
@@ -26,8 +26,6 @@ unsigned int __machine_arch_type;
#include <linux/linkage.h>
#include <asm/string.h>
-#include <asm/unaligned.h>
-
static void putstr(const char *ptr);
extern void error(char *x);
@@ -139,13 +137,12 @@ void *memcpy(void *__dest, __const void *__src, size_t __n)
}
/*
- * gzip delarations
+ * gzip declarations
*/
extern char input_data[];
extern char input_data_end[];
unsigned char *output_data;
-unsigned long output_ptr;
unsigned long free_mem_ptr;
unsigned long free_mem_end_ptr;
@@ -170,15 +167,15 @@ asmlinkage void __div0(void)
error("Attempting division by 0!");
}
-extern void do_decompress(u8 *input, int len, u8 *output, void (*error)(char *x));
+extern int do_decompress(u8 *input, int len, u8 *output, void (*error)(char *x));
-unsigned long
+void
decompress_kernel(unsigned long output_start, unsigned long free_mem_ptr_p,
unsigned long free_mem_ptr_end_p,
int arch_id)
{
- unsigned char *tmp;
+ int ret;
output_data = (unsigned char *)output_start;
free_mem_ptr = free_mem_ptr_p;
@@ -187,12 +184,11 @@ decompress_kernel(unsigned long output_start, unsigned long free_mem_ptr_p,
arch_decomp_setup();
- tmp = (unsigned char *) (((unsigned long)input_data_end) - 4);
- output_ptr = get_unaligned_le32(tmp);
-
putstr("Uncompressing Linux...");
- do_decompress(input_data, input_data_end - input_data,
- output_data, error);
- putstr(" done, booting the kernel.\n");
- return output_ptr;
+ ret = do_decompress(input_data, input_data_end - input_data,
+ output_data, error);
+ if (ret)
+ error("decompressor returned an error");
+ else
+ putstr(" done, booting the kernel.\n");
}