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author | Nicolas Pitre <nicolas.pitre@linaro.org> | 2011-04-22 01:59:49 (GMT) |
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committer | Nicolas Pitre <nico@fluxnic.net> | 2011-05-07 04:08:01 (GMT) |
commit | ccc1c7c6c25661f0071a7ebe997abcbf529df3e9 (patch) | |
tree | a879518e3e9d70521d0ac1103ec3bbbd2a2b7aba /arch/arm/boot/compressed/misc.c | |
parent | e40f1e9fb342a2e38fae164861a8cff248ceb87b (diff) | |
download | linux-fsl-qoriq-ccc1c7c6c25661f0071a7ebe997abcbf529df3e9.tar.xz |
ARM: zImage: don't ignore error returned from decompress()
If decompress() returns an error without calling error(), we must
not attempt to boot the resulting kernel.
Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Tested-by: Shawn Guo <shawn.guo@linaro.org>
Tested-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/boot/compressed/misc.c')
-rw-r--r-- | arch/arm/boot/compressed/misc.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/arch/arm/boot/compressed/misc.c b/arch/arm/boot/compressed/misc.c index 51b87b5..65871a7 100644 --- a/arch/arm/boot/compressed/misc.c +++ b/arch/arm/boot/compressed/misc.c @@ -177,7 +177,7 @@ 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)); void @@ -185,6 +185,8 @@ decompress_kernel(unsigned long output_start, unsigned long free_mem_ptr_p, unsigned long free_mem_ptr_end_p, int arch_id) { + int ret; + output_data = (unsigned char *)output_start; free_mem_ptr = free_mem_ptr_p; free_mem_end_ptr = free_mem_ptr_end_p; @@ -193,7 +195,10 @@ decompress_kernel(unsigned long output_start, unsigned long free_mem_ptr_p, arch_decomp_setup(); putstr("Uncompressing Linux..."); - do_decompress(input_data, input_data_end - input_data, - output_data, error); - putstr(" done, booting the kernel.\n"); + 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"); } |