[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/parisc/ccio-dma.c b/drivers/parisc/ccio-dma.c
index fe3f5f5..894fdb9 100644
--- a/drivers/parisc/ccio-dma.c
+++ b/drivers/parisc/ccio-dma.c
@@ -1091,7 +1091,7 @@
return single_open(file, &ccio_proc_info, NULL);
}
-static struct file_operations ccio_proc_info_fops = {
+static const struct file_operations ccio_proc_info_fops = {
.owner = THIS_MODULE,
.open = ccio_proc_info_open,
.read = seq_read,
@@ -1127,7 +1127,7 @@
return single_open(file, &ccio_proc_bitmap_info, NULL);
}
-static struct file_operations ccio_proc_bitmap_fops = {
+static const struct file_operations ccio_proc_bitmap_fops = {
.owner = THIS_MODULE,
.open = ccio_proc_bitmap_open,
.read = seq_read,