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authorJeff Dike <jdike@addtoit.com>2006-10-02 02:17:18 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-02 07:57:14 -0700
commitb68e31d0ebbcc909d1941f9f230c9d062a3a13d3 (patch)
treeb32902e5de02081cbb9eca49d7bb0b444e2b4f23 /drivers/char/hvsi.c
parented97bd37efd8ff7398d3a7eedf4bcbf245f5dad3 (diff)
[PATCH] const struct tty_operations
As part of an SMP cleanliness pass over UML, I consted a bunch of structures in order to not have to document their locking. One of these structures was a struct tty_operations. In order to const it in UML without introducing compiler complaints, the declaration of tty_set_operations needs to be changed, and then all of its callers need to be fixed. This patch declares all struct tty_operations in the tree as const. In all cases, they are static and used only as input to tty_set_operations. As an extra check, I ran an i386 allyesconfig build which produced no extra warnings. 53 drivers are affected. I checked the history of a bunch of them, and in most cases, there have been only a handful of maintenance changes in the last six months. serial_core.c was the busiest one that I looked at. Signed-off-by: Jeff Dike <jdike@addtoit.com> Acked-by: Alan Cox <alan@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/char/hvsi.c')
-rw-r--r--drivers/char/hvsi.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/char/hvsi.c b/drivers/char/hvsi.c
index a89a95fb5e4..c07dc58d5c1 100644
--- a/drivers/char/hvsi.c
+++ b/drivers/char/hvsi.c
@@ -1130,7 +1130,7 @@ static int hvsi_tiocmset(struct tty_struct *tty, struct file *file,
}
-static struct tty_operations hvsi_ops = {
+static const struct tty_operations hvsi_ops = {
.open = hvsi_open,
.close = hvsi_close,
.write = hvsi_write,