[PATCH] mark struct file_operations const 3
Many struct file_operations in the kernel can be "const". Marking them const
moves these to the .rodata section, which avoids false sharing with potential
dirty data. In addition it'll catch accidental writes at compile time to
these shared resources.
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/infiniband/hw/ipath/ipath_diag.c b/drivers/infiniband/hw/ipath/ipath_diag.c
index 28c087b..0f13a21 100644
--- a/drivers/infiniband/hw/ipath/ipath_diag.c
+++ b/drivers/infiniband/hw/ipath/ipath_diag.c
@@ -59,7 +59,7 @@
static ssize_t ipath_diag_write(struct file *fp, const char __user *data,
size_t count, loff_t *off);
-static struct file_operations diag_file_ops = {
+static const struct file_operations diag_file_ops = {
.owner = THIS_MODULE,
.write = ipath_diag_write,
.read = ipath_diag_read,
@@ -71,7 +71,7 @@
const char __user *data,
size_t count, loff_t *off);
-static struct file_operations diagpkt_file_ops = {
+static const struct file_operations diagpkt_file_ops = {
.owner = THIS_MODULE,
.write = ipath_diagpkt_write,
};