MIPS/ath25: Fix race in installing chained IRQ handler

Fix a race where a pending interrupt could be received and the handler
called before the handler's data has been setup, by converting to
irq_set_chained_handler_and_data().

Search and conversion was done with coccinelle:

@@
expression E1, E2, E3;
@@
(
-if (irq_set_chained_handler(E1, E3) != 0)
-   BUG();
|
-irq_set_chained_handler(E1, E3);
)
-irq_set_handler_data(E1, E2);
+irq_set_chained_handler_and_data(E1, E3, E2);

@@
expression E1, E2, E3;
@@
(
-if (irq_set_chained_handler(E1, E3) != 0)
-   BUG();
...
|
-irq_set_chained_handler(E1, E3);
...
)
-irq_set_handler_data(E1, E2);
+irq_set_chained_handler_and_data(E1, E3, E2);

Reported-by: Russell King <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
Cc: Julia Lawall <[email protected]>
Cc: Ralf Baechle <[email protected]>
Cc: Sergey Ryazanov <[email protected]>
Cc: [email protected]

Author: KAGA-KOKO

arch/mips/ath25/ar5312.c

@@ -156,8 +156,8 @@ void __init ar5312_arch_init_irq(void)
 	irq = irq_create_mapping(domain, AR5312_MISC_IRQ_AHB_PROC);
 	setup_irq(irq, &ar5312_ahb_err_interrupt);
 
-	irq_set_chained_handler(AR5312_IRQ_MISC, ar5312_misc_irq_handler);
-	irq_set_handler_data(AR5312_IRQ_MISC, domain);
+	irq_set_chained_handler_and_data(AR5312_IRQ_MISC,
+					 ar5312_misc_irq_handler, domain);
 
 	ar5312_misc_irq_domain = domain;
 }