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author | Thomas Gleixner <tglx@linutronix.de> | 2015-06-21 20:16:18 +0200 |
---|---|---|
committer | Thomas Gleixner <tglx@linutronix.de> | 2015-06-25 11:57:17 +0200 |
commit | ef80e87d20d115eaee15da666f1a3551328205bb (patch) | |
tree | 2a506999da03169635b5dc8bc2bdffbb2ea24d02 /README | |
parent | 623a650ebc886f6a6827d9ccc38856ab10391a9c (diff) | |
download | linux-ef80e87d20d115eaee15da666f1a3551328205bb.tar.gz linux-ef80e87d20d115eaee15da666f1a3551328205bb.tar.bz2 linux-ef80e87d20d115eaee15da666f1a3551328205bb.zip |
pinctrl/sun4i: 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: Linus Walleij <linus.walleij@linaro.org>
Cc: Maxime Ripard <maxime.ripard@free-electrons.com>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Chen-Yu Tsai <wens@csie.org>
Cc: Fan Wu <fwu@marvell.com>
Cc: abdoulaye berthe <berthe.ab@gmail.com>
Cc: Alexandre Courbot <acourbot@nvidia.com>
Cc: linux-gpio@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Diffstat (limited to 'README')
0 files changed, 0 insertions, 0 deletions