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Commit 4aba41ea authored by Alan Cox's avatar Alan Cox Committed by Linus Torvalds
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8250: Fix lock warning (and possible crash) 



Splitting the 8250 code back up to avoid a clash with the NR_IRQS removal
patch introduced a last minute bug. Put back the additional needed lines
for the old lock init

Signed-off-by: default avatarAlan Cox <alan@redhat.com>
[ Ingo also reports that this can cause a spontaneous reboot crash with
  certain configs, and sends in an identical patch ]
Tested-by: default avatarKamalesh Babulal <kamalesh@linux.vnet.ibm.com>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 7591103c

drivers/serial/8250.c

+3 −0
Original line number Diff line number Diff line
@@ -2969,6 +2969,9 @@ static int __init serial8250_init(void) 
		"%d ports, IRQ sharing %sabled\n", nr_uarts,

		share_irqs ? "en" : "dis");



	for (i = 0; i < NR_IRQS; i++)

		spin_lock_init(&irq_lists[i].lock);



#ifdef CONFIG_SPARC

	ret = sunserial_register_minors(&serial8250_reg, UART_NR);

#else