alistair23-linux/drivers/sh/intc
Thomas Gleixner 51b971b1b9 sh/intc: 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 <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Julia Lawall <Julia.Lawall@lip6.fr>
Cc: Simon Horman <horms@verge.net.au>
Cc: Magnus Damm <magnus.damm@gmail.com>
Cc: linux-sh@vger.kernel.org
2015-06-25 11:57:50 +02:00
..
access.c
balancing.c
chip.c
core.c sh/intc: Fix race in installing chained IRQ handler 2015-06-25 11:57:50 +02:00
handle.c
internals.h
irqdomain.c
Kconfig sh: intc: Confine SH_INTC to platforms that need it 2014-08-22 12:28:16 +09:00
Makefile
userimask.c
virq-debugfs.c
virq.c sh/intc: Fix potential race in installing chained IRQ handler 2015-06-25 11:57:19 +02:00