[PATCH] Remove unecessary NULL check in kernel/acct.c

copy_process() appears to be the only caller of acct_clear_integrals() and
does not pass in NULL task pointers. Remove the unecessary check.

Signed-off-by: Matt Helsley <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

kernel/acct.c

···
  */
 void acct_clear_integrals(struct task_struct *tsk)
 {
-	if (tsk) {
-		tsk->acct_stimexpd = 0;
-		tsk->acct_rss_mem1 = 0;
-		tsk->acct_vm_mem1 = 0;
-	}
+	tsk->acct_stimexpd = 0;
+	tsk->acct_rss_mem1 = 0;
+	tsk->acct_vm_mem1 = 0;
 }