diff options
| author |   Peter Hurley <peter@hurleysoftware.com> | 2015-07-12 22:49:09 -0400 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-07-23 18:37:31 -0700 |
| commit | accff793af81bc64e1b37398ef6bb1f0b06491de (patch) | |
| tree | 51cedbe44ccd487b871d3bb07bae5a9e56c5b632 /drivers/tty | |
| parent | tty: core: Add tty_debug() for printk(KERN_DEBUG) messages (diff) | |
| download | linux-dev-accff793af81bc64e1b37398ef6bb1f0b06491de.tar.xz linux-dev-accff793af81bc64e1b37398ef6bb1f0b06491de.zip | |
tty: Replace #ifdef TTY_DEBUG_HANGUP with tty_debug_hangup()
Add tty_debug_hangup() macro which uses tty_debug to print the
debug message; remove inlined #ifdefs.
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/tty_io.c | 47 |
1 files changed, 18 insertions, 29 deletions
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c index 9537979c9c51..c37a215177c0 100644 --- a/drivers/tty/tty_io.c +++ b/drivers/tty/tty_io.c @@ -106,6 +106,11 @@ #include <linux/nsproxy.h> #undef TTY_DEBUG_HANGUP +#ifdef TTY_DEBUG_HANGUP +# define tty_debug_hangup(tty, f, args...) tty_debug(tty, f, ##args) +#else +# define tty_debug_hangup(tty, f, args...) do { } while (0) +#endif #define TTY_PARANOIA_CHECK 1 #define CHECK_TTY_COUNT 1 @@ -774,9 +779,7 @@ static void do_tty_hangup(struct work_struct *work) void tty_hangup(struct tty_struct *tty) { -#ifdef TTY_DEBUG_HANGUP - tty_debug(tty, "\n"); -#endif + tty_debug_hangup(tty, "\n"); schedule_work(&tty->hangup_work); } @@ -793,9 +796,7 @@ EXPORT_SYMBOL(tty_hangup); void tty_vhangup(struct tty_struct *tty) { -#ifdef TTY_DEBUG_HANGUP - tty_debug(tty, "\n") -#endif + tty_debug_hangup(tty, "\n"); __tty_hangup(tty, 0); } @@ -832,9 +833,7 @@ void tty_vhangup_self(void) static void tty_vhangup_session(struct tty_struct *tty) { -#ifdef TTY_DEBUG_HANGUP - tty_debug(tty, "\n"); -#endif + tty_debug_hangup(tty, "\n"); __tty_hangup(tty, 1); } @@ -928,11 +927,8 @@ void disassociate_ctty(int on_exit) tty->pgrp = NULL; spin_unlock_irqrestore(&tty->ctrl_lock, flags); tty_kref_put(tty); - } else { -#ifdef TTY_DEBUG_HANGUP - tty_debug(tty, "no current tty\n"); -#endif - } + } else + tty_debug_hangup(tty, "no current tty\n"); spin_unlock_irq(¤t->sighand->siglock); /* Now clear signal->tty under the lock */ @@ -1788,9 +1784,7 @@ int tty_release(struct inode *inode, struct file *filp) return 0; } -#ifdef TTY_DEBUG_HANGUP - tty_debug(tty, "(tty count=%d)...\n", tty->count); -#endif + tty_debug_hangup(tty, "(tty count=%d)...\n", tty->count); if (tty->ops->close) tty->ops->close(tty, filp); @@ -1900,9 +1894,7 @@ int tty_release(struct inode *inode, struct file *filp) if (!final) return 0; -#ifdef TTY_DEBUG_HANGUP - tty_debug(tty, "final close\n"); -#endif + tty_debug_hangup(tty, "final close\n"); /* * Ask the line discipline code to release its structures */ @@ -1911,9 +1903,7 @@ int tty_release(struct inode *inode, struct file *filp) /* Wait for pending work before tty destruction commmences */ tty_flush_works(tty); -#ifdef TTY_DEBUG_HANGUP - tty_debug(tty, "freeing structure...\n"); -#endif + 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 @@ -2102,9 +2092,9 @@ retry_open: if (tty->driver->type == TTY_DRIVER_TYPE_PTY && tty->driver->subtype == PTY_TYPE_MASTER) noctty = 1; -#ifdef TTY_DEBUG_HANGUP - tty_debug(tty, "(tty count=%d)\n", tty->count); -#endif + + tty_debug_hangup(tty, "(tty count=%d)\n", tty->count); + if (tty->ops->open) retval = tty->ops->open(tty, filp); else @@ -2112,9 +2102,8 @@ retry_open: filp->f_flags = saved_flags; if (retval) { -#ifdef TTY_DEBUG_HANGUP - tty_debug(tty, "error %d, releasing...\n", retval); -#endif + tty_debug_hangup(tty, "error %d, releasing...\n", retval); + tty_unlock(tty); /* need to call tty_release without BTM */ tty_release(inode, filp); if (retval != -ERESTARTSYS) |