diff --git a/arch/mips/kernel/mips-mt-fpaff.c b/arch/mips/kernel/mips-mt-fpaff.c
index bb4f00c0cbe94f8a5dfe1c822a072f1c6d4de928..df4d3f2f740c54fa73b413e8b8c8d91601b95c74 100644
--- a/arch/mips/kernel/mips-mt-fpaff.c
+++ b/arch/mips/kernel/mips-mt-fpaff.c
@@ -36,7 +36,7 @@ unsigned long mt_fpemul_threshold = 0;
  */
 static inline struct task_struct *find_process_by_pid(pid_t pid)
 {
-	return pid ? find_task_by_pid(pid) : current;
+	return pid ? find_task_by_vpid(pid) : current;
 }
 
 
diff --git a/arch/mips/kernel/sysirix.c b/arch/mips/kernel/sysirix.c
index 672fba84b2ccb50a145a7966890a8dfb6b4562f0..c357762b801286803099afd629a7550e70954df4 100644
--- a/arch/mips/kernel/sysirix.c
+++ b/arch/mips/kernel/sysirix.c
@@ -111,7 +111,7 @@ asmlinkage int irix_prctl(unsigned option, ...)
 		printk("irix_prctl[%s:%d]: Wants PR_ISBLOCKED\n",
 		       current->comm, current->pid);
 		read_lock(&tasklist_lock);
-		task = find_task_by_pid(va_arg(args, pid_t));
+		task = find_task_by_vpid(va_arg(args, pid_t));
 		error = -ESRCH;
 		if (error)
 			error = (task->run_list.next != NULL);