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[PATCH v2 4/5] staging: set msi_domain_ops as __ro_after_init

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  [PATCH v2 4/5] staging: set msi_domain_ops as __ro_after_init Jess Frazelle <me@jessfraz.com> - 2017-02-11 02:40 +0100

#1578908 — [PATCH v2 4/5] staging: set msi_domain_ops as __ro_after_init

Marked msi_domain_ops structs as __ro_after_init when called only during init.
This protects the data structure from accidental corruption.

Suggested-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Jess Frazelle <me@jessfraz.com>
---
 drivers/staging/fsl-mc/bus/irq-gic-v3-its-fsl-mc-msi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/fsl-mc/bus/irq-gic-v3-its-fsl-mc-msi.c b/drivers/staging/fsl-mc/bus/irq-gic-v3-its-fsl-mc-msi.c
index 6b1cd574644f..0e2c1b5e13b7 100644
--- a/drivers/staging/fsl-mc/bus/irq-gic-v3-its-fsl-mc-msi.c
+++ b/drivers/staging/fsl-mc/bus/irq-gic-v3-its-fsl-mc-msi.c
@@ -51,7 +51,7 @@ static int its_fsl_mc_msi_prepare(struct irq_domain *msi_domain,
 	return msi_info->ops->msi_prepare(msi_domain->parent, dev, nvec, info);
 }

-static struct msi_domain_ops its_fsl_mc_msi_ops = {
+static struct msi_domain_ops its_fsl_mc_msi_ops __ro_after_init = {
 	.msi_prepare = its_fsl_mc_msi_prepare,
 };

--
2.11.0

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