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author | Thomas Gleixner <tglx@linutronix.de> | 2015-06-21 20:16:15 +0200 |
---|---|---|
committer | Thomas Gleixner <tglx@linutronix.de> | 2015-06-25 11:57:09 +0200 |
commit | 1b11b0cb799e5f82ca6391a23eaa8f41c7466cc0 (patch) | |
tree | 477b759377812ac3c7a9b392d5b90caf87e48441 /drivers/pnp/pnpacpi | |
parent | pinctrl/adi2: Fix race in installing chained IRQ handler (diff) | |
download | linux-1b11b0cb799e5f82ca6391a23eaa8f41c7466cc0.tar.xz linux-1b11b0cb799e5f82ca6391a23eaa8f41c7466cc0.zip |
pinctrl/st: 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: Srinivas Kandagatla <srinivas.kandagatla@gmail.com>
Cc: Maxime Coquelin <maxime.coquelin@st.com>
Cc: Patrice Chotard <patrice.chotard@st.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: kernel@stlinux.com
Cc: linux-gpio@vger.kernel.org
Diffstat (limited to 'drivers/pnp/pnpacpi')
0 files changed, 0 insertions, 0 deletions