diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2015-06-21 22:00:30 +0300 |
---|---|---|
committer | Thomas Gleixner <tglx@linutronix.de> | 2015-06-25 12:57:54 +0300 |
commit | 09c5cb942f7545e53819ee2ca72fe843d23880e5 (patch) | |
tree | 7935f872c971ede835bd863f051489afd7f29040 /arch/mips | |
parent | bf54da7d3a49d3359574cdc1590bbc79ee19be6a (diff) | |
download | linux-09c5cb942f7545e53819ee2ca72fe843d23880e5.tar.xz |
m68k/psc: 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: Joshua Thompson <funaho@jurai.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: linux-m68k@lists.linux-m68k.org
Diffstat (limited to 'arch/mips')
0 files changed, 0 insertions, 0 deletions