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authorArjan van de Ven <arjan@linux.intel.com>2007-02-12 00:55:32 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-12 09:48:45 -0800
commit2b8693c0617e972fc0b2fd1ebf8de97e15b656c3 (patch)
tree3eb7dfbc8d5e4031e4992bdd566e211f5ada71f3 /drivers/char/viotape.c
parent5dfe4c964a0dd7bb3a1d64a4166835a153146207 (diff)
[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>
Diffstat (limited to 'drivers/char/viotape.c')
-rw-r--r--drivers/char/viotape.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/char/viotape.c b/drivers/char/viotape.c
index 9438512b17f1..13faf8d17482 100644
--- a/drivers/char/viotape.c
+++ b/drivers/char/viotape.c
@@ -872,7 +872,7 @@ free_op:
return ret;
}
-struct file_operations viotap_fops = {
+const struct file_operations viotap_fops = {
owner: THIS_MODULE,
read: viotap_read,
write: viotap_write,