diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2015-06-21 21:00:38 +0200 |
---|---|---|
committer | Thomas Gleixner <tglx@linutronix.de> | 2015-06-25 11:58:00 +0200 |
commit | 746ad9a7a1fef789a9f579441b4a7b686fa85aa2 (patch) | |
tree | 9cd1ce6ecf4ea552c6367c281ca27cfac0084531 /block/cfq-iosched.c | |
parent | 08ece35e7dcc24591e27089029f1fea14e76d1fa (diff) |
MIPS/pci: 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: Ralf Baechle <ralf@linux-mips.org>
Cc: Wolfram Sang <wsa@the-dreams.de>
Cc: Sergey Ryazanov <ryazanov.s.a@gmail.com>
Cc: linux-mips@linux-mips.org
Diffstat (limited to 'block/cfq-iosched.c')
0 files changed, 0 insertions, 0 deletions