2017-08-24 11:17:29

by Arvind Yadav

[permalink] [raw]
Subject: [PATCH] USB: core: constify vm_operations_struct

vm_operations_struct are not supposed to change at runtime.
All functions working with const vm_operations_struct.
So mark the non-const structs as const.

Signed-off-by: Arvind Yadav <[email protected]>
---
drivers/usb/core/devio.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index ebe2759..ddb3440 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -210,7 +210,7 @@ static void usbdev_vm_close(struct vm_area_struct *vma)
dec_usb_memory_use_count(usbm, &usbm->vma_use_count);
}

-static struct vm_operations_struct usbdev_vm_ops = {
+static const struct vm_operations_struct usbdev_vm_ops = {
.open = usbdev_vm_open,
.close = usbdev_vm_close
};
--
1.9.1