[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>

1 files changed, 2 insertions, 1 deletions

diff --git a/arch/ia64/kernel/machine_kexec.c b/arch/ia64/kernel/machine_kexec.c
index 070e8effa175..5151a649c96b 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;