[PATCH] mark struct file_operations const 5
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/pci/proc.c b/drivers/pci/proc.c
index 4a6760a..ed87aa5 100644
--- a/drivers/pci/proc.c
+++ b/drivers/pci/proc.c
@@ -287,7 +287,7 @@
}
#endif /* HAVE_PCI_MMAP */
-static struct file_operations proc_bus_pci_operations = {
+static const struct file_operations proc_bus_pci_operations = {
.llseek = proc_bus_pci_lseek,
.read = proc_bus_pci_read,
.write = proc_bus_pci_write,
@@ -456,7 +456,7 @@
{
return seq_open(file, &proc_bus_pci_devices_op);
}
-static struct file_operations proc_bus_pci_dev_operations = {
+static const struct file_operations proc_bus_pci_dev_operations = {
.open = proc_bus_pci_dev_open,
.read = seq_read,
.llseek = seq_lseek,
