* [PATCH] Make pty_driver and pty_slave_driver local vars in legacy BSD pty code
@ 2009-09-30 10:01 David Howells
2009-09-30 15:08 ` Linus Torvalds
0 siblings, 1 reply; 2+ messages in thread
From: David Howells @ 2009-09-30 10:01 UTC (permalink / raw)
To: torvalds, akpm, gregkh; +Cc: alan, linux-kernel, David Howells
Make the pty_driver and pty_slave_driver global variables into local vars of
legacy_pty_init() as that's the only thing that ever accesses the values.
Signed-off-by: David Howells <dhowells@redhat.com>
---
drivers/char/pty.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/char/pty.c b/drivers/char/pty.c
index 53761ce..6fe1f07 100644
--- a/drivers/char/pty.c
+++ b/drivers/char/pty.c
@@ -326,8 +326,6 @@ static const struct tty_operations pty_ops = {
/* Traditional BSD devices */
#ifdef CONFIG_LEGACY_PTYS
-static struct tty_driver *pty_driver, *pty_slave_driver;
-
static int pty_bsd_ioctl(struct tty_struct *tty, struct file *file,
unsigned int cmd, unsigned long arg)
{
@@ -356,6 +354,8 @@ static const struct tty_operations pty_ops_bsd = {
static void __init legacy_pty_init(void)
{
+ struct tty_driver *pty_driver, *pty_slave_driver;
+
if (legacy_count <= 0)
return;
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2009-09-30 10:01 [PATCH] Make pty_driver and pty_slave_driver local vars in legacy BSD pty code David Howells
2009-09-30 15:08 ` Linus Torvalds
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