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authorThomas Gleixner <tglx@linutronix.de>2015-06-21 20:16:15 +0200
committerThomas Gleixner <tglx@linutronix.de>2015-06-25 11:57:09 +0200
commit1b11b0cb799e5f82ca6391a23eaa8f41c7466cc0 (patch)
tree477b759377812ac3c7a9b392d5b90caf87e48441 /crypto/authencesn.c
parentpinctrl/adi2: Fix race in installing chained IRQ handler (diff)
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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 'crypto/authencesn.c')
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