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Message-Id: <20170211013758.3288-4-me@jessfraz.com>
Date: Fri, 10 Feb 2017 17:37:57 -0800
From: Jess Frazelle <me@...sfraz.com>
To: Stuart Yoder <stuart.yoder@....com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Bharat Bhushan <bharat.bhushan@....com>,
Bhaktipriya Shridhar <bhaktipriya96@...il.com>,
Nipun Gupta <nipun.gupta@....com>,
Jess Frazelle <me@...sfraz.com>,
linux-kernel@...r.kernel.org (open list:QORIQ DPAA2 FSL-MC BUS DRIVER),
devel@...verdev.osuosl.org (open list:STAGING SUBSYSTEM)
Cc: kernel-hardening@...ts.openwall.com
Subject: [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@...omium.org>
Signed-off-by: Jess Frazelle <me@...sfraz.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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