nvme: constify static attribute_group structs

The only usage of these is to put their addresses in arrays of pointers
to const attribute_groups. Make them const to allow the compiler to put
them in read-only memory.

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index ba5df80..ff0f426 100644 (file)
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -2859,7 +2859,7 @@ static struct attribute *nvme_subsys_attrs[] = {
        NULL,
 };
 
-static struct attribute_group nvme_subsys_attrs_group = {
+static const struct attribute_group nvme_subsys_attrs_group = {
        .attrs = nvme_subsys_attrs,
 };
 
@@ -3694,7 +3694,7 @@ static umode_t nvme_dev_attrs_are_visible(struct kobject *kobj,
        return a->mode;
 }
 
-static struct attribute_group nvme_dev_attrs_group = {
+static const struct attribute_group nvme_dev_attrs_group = {
        .attrs          = nvme_dev_attrs,
        .is_visible     = nvme_dev_attrs_are_visible,
 };

diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c
index 5f36cfa..20dadd8 100644 (file)
--- a/drivers/nvme/host/fc.c
+++ b/drivers/nvme/host/fc.c
@@ -3789,7 +3789,7 @@ static struct attribute *nvme_fc_attrs[] = {
        NULL
 };
 
-static struct attribute_group nvme_fc_attr_group = {
+static const struct attribute_group nvme_fc_attr_group = {
        .attrs = nvme_fc_attrs,
 };
 

diff --git a/drivers/nvme/target/fcloop.c b/drivers/nvme/target/fcloop.c
index 68213f0..54606f1 100644 (file)
--- a/drivers/nvme/target/fcloop.c
+++ b/drivers/nvme/target/fcloop.c
@@ -1545,7 +1545,7 @@ static struct attribute *fcloop_dev_attrs[] = {
        NULL
 };
 
-static struct attribute_group fclopp_dev_attrs_group = {
+static const struct attribute_group fclopp_dev_attrs_group = {
        .attrs          = fcloop_dev_attrs,
 };