[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/isdn/capi/kcapi_proc.c b/drivers/isdn/capi/kcapi_proc.c
index ca9dc00..31f4fd8 100644
--- a/drivers/isdn/capi/kcapi_proc.c
+++ b/drivers/isdn/capi/kcapi_proc.c
@@ -113,14 +113,14 @@
return seq_open(file, &seq_contrstats_ops);
}
-static struct file_operations proc_controller_ops = {
+static const struct file_operations proc_controller_ops = {
.open = seq_controller_open,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release,
};
-static struct file_operations proc_contrstats_ops = {
+static const struct file_operations proc_contrstats_ops = {
.open = seq_contrstats_open,
.read = seq_read,
.llseek = seq_lseek,
@@ -218,14 +218,14 @@
return seq_open(file, &seq_applstats_ops);
}
-static struct file_operations proc_applications_ops = {
+static const struct file_operations proc_applications_ops = {
.open = seq_applications_open,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release,
};
-static struct file_operations proc_applstats_ops = {
+static const struct file_operations proc_applstats_ops = {
.open = seq_applstats_open,
.read = seq_read,
.llseek = seq_lseek,
@@ -302,7 +302,7 @@
return err;
}
-static struct file_operations proc_driver_ops = {
+static const struct file_operations proc_driver_ops = {
.open = seq_capi_driver_open,
.read = seq_read,
.llseek = seq_lseek,