[PATCH] i386: In compat mode, the return value here was uninitialized.

Signed-off-by: NZachary Amsden <zach@vmware.com>
Signed-off-by: NAndi Kleen <ak@suse.de>

arch/i386/kernel/sysenter.c

@@ -268,7 +268,7 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int exstack)
 {
 	struct mm_struct *mm = current->mm;
 	unsigned long addr;
-	int ret;
+	int ret = 0;
 	bool compat;
 
 	down_write(&mm->mmap_sem);