[PATCH 3/4] PCI/P2PDMA: Constify 'struct bin_attribute'

[Thomas Weißschuh]

The sysfs core now allows instances of 'struct bin_attribute' to be
moved into read-only memory. Make use of that to protect them against
accidental or malicious modifications.

Signed-off-by: Thomas Weißschuh <linux@xxxxxxxxxxxxxx>
---
 drivers/pci/p2pdma.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/pci/p2pdma.c b/drivers/pci/p2pdma.c
index 7abd4f546d3c071f31e622d881f5c5ac3e4de55e..0cb7e0aaba0ebdb8d0d235428a03a113cde7b390 100644
--- a/drivers/pci/p2pdma.c
+++ b/drivers/pci/p2pdma.c
@@ -161,7 +161,7 @@ static int p2pmem_alloc_mmap(struct file *filp, struct kobject *kobj,
 	return ret;
 }
 
-static struct bin_attribute p2pmem_alloc_attr = {
+static const struct bin_attribute p2pmem_alloc_attr = {
 	.attr = { .name = "allocate", .mode = 0660 },
 	.mmap = p2pmem_alloc_mmap,
 	/*
@@ -180,14 +180,14 @@ static struct attribute *p2pmem_attrs[] = {
 	NULL,
 };
 
-static struct bin_attribute *p2pmem_bin_attrs[] = {
+static const struct bin_attribute *const p2pmem_bin_attrs[] = {
 	&p2pmem_alloc_attr,
 	NULL,
 };
 
 static const struct attribute_group p2pmem_group = {
 	.attrs = p2pmem_attrs,
-	.bin_attrs = p2pmem_bin_attrs,
+	.bin_attrs_new = p2pmem_bin_attrs,
 	.name = "p2pmem",
 };
 

-- 
2.47.1