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tty: Remove __func__ from tty_debug() macro

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Now that tty_debug() macro uses pr_debug(), the function name can
be printed when using dynamic debug; printing the function name within
the format string is redundant.

Remove the __func__ parameter and print specifier from the format string.
Add context to messages for when the function name is not printed by
dynamic debug, or when dynamic debug is not enabled.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Peter Hurley 2015-11-08 13:01:19 -05:00 committed by Greg Kroah-Hartman
parent 89222e6266
commit d435cefe9c
4 changed files with 10 additions and 11 deletions
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2
drivers/tty/pty.c
View File

@ -788,7 +788,7 @@ static int ptmx_open(struct inode *inode, struct file *filp)
if (retval)
goto err_release;
tty_debug_hangup(tty, "(tty count=%d)\n", tty->count);
tty_debug_hangup(tty, "opening (count=%d)\n", tty->count);
tty_unlock(tty);
return 0;

14
drivers/tty/tty_io.c
View File

@ -783,7 +783,7 @@ static void do_tty_hangup(struct work_struct *work)
void tty_hangup(struct tty_struct *tty)
{
tty_debug_hangup(tty, "\n");
tty_debug_hangup(tty, "hangup\n");
schedule_work(&tty->hangup_work);
}
@ -800,7 +800,7 @@ EXPORT_SYMBOL(tty_hangup);
void tty_vhangup(struct tty_struct *tty)
{
tty_debug_hangup(tty, "\n");
tty_debug_hangup(tty, "vhangup\n");
__tty_hangup(tty, 0);
}
@ -837,7 +837,7 @@ void tty_vhangup_self(void)
static void tty_vhangup_session(struct tty_struct *tty)
{
tty_debug_hangup(tty, "\n");
tty_debug_hangup(tty, "session hangup\n");
__tty_hangup(tty, 1);
}
@ -1787,7 +1787,7 @@ int tty_release(struct inode *inode, struct file *filp)
return 0;
}
tty_debug_hangup(tty, "(tty count=%d)...\n", tty->count);
tty_debug_hangup(tty, "releasing (count=%d)\n", tty->count);
if (tty->ops->close)
tty->ops->close(tty, filp);
@ -1903,7 +1903,7 @@ int tty_release(struct inode *inode, struct file *filp)
/* Wait for pending work before tty destruction commmences */
tty_flush_works(tty);
tty_debug_hangup(tty, "freeing structure...\n");
tty_debug_hangup(tty, "freeing structure\n");
/*
* The release_tty function takes care of the details of clearing
* the slots and preserving the termios structure. The tty_unlock_pair
@ -2093,7 +2093,7 @@ static int tty_open(struct inode *inode, struct file *filp)
tty->driver->subtype == PTY_TYPE_MASTER)
noctty = 1;
tty_debug_hangup(tty, "(tty count=%d)\n", tty->count);
tty_debug_hangup(tty, "opening (count=%d)\n", tty->count);
if (tty->ops->open)
retval = tty->ops->open(tty, filp);
@ -2102,7 +2102,7 @@ static int tty_open(struct inode *inode, struct file *filp)
filp->f_flags = saved_flags;
if (retval) {
tty_debug_hangup(tty, "error %d, releasing...\n", retval);
tty_debug_hangup(tty, "open error %d, releasing\n", retval);
tty_unlock(tty); /* need to call tty_release without BTM */
tty_release(inode, filp);

2
drivers/tty/tty_ioctl.c
View File

@ -216,7 +216,7 @@ int tty_unthrottle_safe(struct tty_struct *tty)
void tty_wait_until_sent(struct tty_struct *tty, long timeout)
{
tty_debug_wait_until_sent(tty, "\n");
tty_debug_wait_until_sent(tty, "wait until sent, timeout=%ld\n", timeout);
if (!timeout)
timeout = MAX_SCHEDULE_TIMEOUT;

3
include/linux/tty.h
View File

@ -669,8 +669,7 @@ static inline void proc_tty_unregister_driver(struct tty_driver *d) {}
#define tty_msg(fn, tty, f, ...) \
fn("%s %s: " f, tty_driver_name(tty), tty_name(tty), ##__VA_ARGS__)
#define tty_debug(tty, f, ...) \
tty_msg(pr_debug, tty, "%s:" f, __func__, ##__VA_ARGS__)
#define tty_debug(tty, f, ...) tty_msg(pr_debug, tty, f, ##__VA_ARGS__)
#define tty_info(tty, f, ...) tty_msg(pr_info, tty, f, ##__VA_ARGS__)
#define tty_notice(tty, f, ...) tty_msg(pr_notice, tty, f, ##__VA_ARGS__)
#define tty_warn(tty, f, ...) tty_msg(pr_warn, tty, f, ##__VA_ARGS__)