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authorWei Yongjun <yongjun_wei@trendmicro.com.cn>2012-09-10 12:49:57 +0800
committerTony Luck <tony.luck@intel.com>2012-09-10 14:31:23 -0700
commit36a45e741783629e2c9039da51b95f637d56f875 (patch)
tree68d103b717f4d17a98e838822f08ca1d3c96133e /arch/ia64/kernel/machine_kexec.c
parent7cd10a60c3d0db95bc94073587725adc6c813cc3 (diff)
[IA64] kexec: Move the dereference below the NULL test
The dereference should be moved below the NULL test. spatch with a semantic match is used to found this. (http://coccinelle.lip6.fr/) Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'arch/ia64/kernel/machine_kexec.c')
-rw-r--r--arch/ia64/kernel/machine_kexec.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/ia64/kernel/machine_kexec.c b/arch/ia64/kernel/machine_kexec.c
index 070e8effa17..5151a649c96 100644
--- a/arch/ia64/kernel/machine_kexec.c
+++ b/arch/ia64/kernel/machine_kexec.c
@@ -85,12 +85,13 @@ static void ia64_machine_kexec(struct unw_frame_info *info, void *arg)
struct kimage *image = arg;
relocate_new_kernel_t rnk;
void *pal_addr = efi_get_pal_addr();
- unsigned long code_addr = (unsigned long)page_address(image->control_code_page);
+ unsigned long code_addr;
int ii;
u64 fp, gp;
ia64_fptr_t *init_handler = (ia64_fptr_t *)ia64_os_init_on_kdump;
BUG_ON(!image);
+ code_addr = (unsigned long)page_address(image->control_code_page);
if (image->type == KEXEC_TYPE_CRASH) {
crash_save_this_cpu();
current->thread.ksp = (__u64)info->sw - 16;