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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/isdn
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/isdn')
-rw-r--r--drivers/isdn/capi/capi.c2
-rw-r--r--drivers/isdn/gigaset/interface.c2
-rw-r--r--drivers/isdn/i4l/isdn_tty.c2
3 files changed, 3 insertions, 3 deletions
diff --git a/drivers/isdn/capi/capi.c b/drivers/isdn/capi/capi.c
index 669f76393b5..11844bbfe93 100644
--- a/drivers/isdn/capi/capi.c
+++ b/drivers/isdn/capi/capi.c
@@ -1298,7 +1298,7 @@ static int capinc_tty_read_proc(char *page, char **start, off_t off,
static struct tty_driver *capinc_tty_driver;
-static struct tty_operations capinc_ops = {
+static const struct tty_operations capinc_ops = {
.open = capinc_tty_open,
.close = capinc_tty_close,
.write = capinc_tty_write,
diff --git a/drivers/isdn/gigaset/interface.c b/drivers/isdn/gigaset/interface.c
index bd2e4267528..596f3aebe2f 100644
--- a/drivers/isdn/gigaset/interface.c
+++ b/drivers/isdn/gigaset/interface.c
@@ -134,7 +134,7 @@ static int if_tiocmset(struct tty_struct *tty, struct file *file,
static int if_write(struct tty_struct *tty,
const unsigned char *buf, int count);
-static struct tty_operations if_ops = {
+static const struct tty_operations if_ops = {
.open = if_open,
.close = if_close,
.ioctl = if_ioctl,
diff --git a/drivers/isdn/i4l/isdn_tty.c b/drivers/isdn/i4l/isdn_tty.c
index 9ab66e8960d..2b91bb07fc7 100644
--- a/drivers/isdn/i4l/isdn_tty.c
+++ b/drivers/isdn/i4l/isdn_tty.c
@@ -1860,7 +1860,7 @@ modem_write_profile(atemu * m)
send_sig(SIGIO, dev->profd, 1);
}
-static struct tty_operations modem_ops = {
+static const struct tty_operations modem_ops = {
.open = isdn_tty_open,
.close = isdn_tty_close,
.write = isdn_tty_write,