TTY: open/release, cleanup printks

* use __func__ instead of hardcoded names (tty_release_dev is a
  non-existant function)
* add missing \n's
* unwrap for better grepping
Signed-off-by: NJiri Slaby <jslaby@suse.cz>
Cc: Alan Cox <alan@linux.intel.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/tty/tty_io.c

@@ -1570,8 +1570,8 @@ static int tty_release_checks(struct tty_struct *tty, struct tty_struct *o_tty,
 {
 #ifdef TTY_PARANOIA_CHECK
 	if (idx < 0 || idx >= tty->driver->num) {
-		printk(KERN_DEBUG "tty_release_dev: bad idx when trying to "
-				  "free (%s)\n", tty->name);
+		printk(KERN_DEBUG "%s: bad idx when trying to free (%s)\n",
+				__func__, tty->name);
 		return -1;
 	}
 
@@ -1580,31 +1580,28 @@ static int tty_release_checks(struct tty_struct *tty, struct tty_struct *o_tty,
 		return 0;
 
 	if (tty != tty->driver->ttys[idx]) {
-		printk(KERN_DEBUG "tty_release_dev: driver.table[%d] not tty "
-		       "for (%s)\n", idx, tty->name);
+		printk(KERN_DEBUG "%s: driver.table[%d] not tty for (%s)\n",
+				__func__, idx, tty->name);
 		return -1;
 	}
 	if (tty->termios != tty->driver->termios[idx]) {
-		printk(KERN_DEBUG "tty_release_dev: driver.termios[%d] not termios "
-		       "for (%s)\n",
-		       idx, tty->name);
+		printk(KERN_DEBUG "%s: driver.termios[%d] not termios for (%s)\n",
+				__func__, idx, tty->name);
 		return -1;
 	}
 	if (tty->driver->other) {
 		if (o_tty != tty->driver->other->ttys[idx]) {
-			printk(KERN_DEBUG "tty_release_dev: other->table[%d] "
-					  "not o_tty for (%s)\n",
-			       idx, tty->name);
+			printk(KERN_DEBUG "%s: other->table[%d] not o_tty for (%s)\n",
+					__func__, idx, tty->name);
 			return -1;
 		}
 		if (o_tty->termios != tty->driver->other->termios[idx]) {
-			printk(KERN_DEBUG "tty_release_dev: other->termios[%d] "
-					  "not o_termios for (%s)\n",
-			       idx, tty->name);
+			printk(KERN_DEBUG "%s: other->termios[%d] not o_termios for (%s)\n",
+					__func__, idx, tty->name);
 			return -1;
 		}
 		if (o_tty->link != tty) {
-			printk(KERN_DEBUG "tty_release_dev: bad pty pointers\n");
+			printk(KERN_DEBUG "%s: bad pty pointers\n", __func__);
 			return -1;
 		}
 	}
@@ -1640,11 +1637,11 @@ int tty_release(struct inode *inode, struct file *filp)
 	int	idx;
 	char	buf[64];
 
-	if (tty_paranoia_check(tty, inode, "tty_release_dev"))
+	if (tty_paranoia_check(tty, inode, __func__))
 		return 0;
 
 	tty_lock();
-	check_tty_count(tty, "tty_release_dev");
+	check_tty_count(tty, __func__);
 
 	__tty_fasync(-1, filp, 0);
 
@@ -1660,8 +1657,8 @@ int tty_release(struct inode *inode, struct file *filp)
 	}
 
 #ifdef TTY_DEBUG_HANGUP
-	printk(KERN_DEBUG "tty_release_dev of %s (tty count=%d)...",
-	       tty_name(tty, buf), tty->count);
+	printk(KERN_DEBUG "%s: %s (tty count=%d)...\n", __func__,
+			tty_name(tty, buf), tty->count);
 #endif
 
 	if (tty->ops->close)
@@ -1719,8 +1716,8 @@ int tty_release(struct inode *inode, struct file *filp)
 		if (!do_sleep)
 			break;
 
-		printk(KERN_WARNING "tty_release_dev: %s: read/write wait queue "
-				    "active!\n", tty_name(tty, buf));
+		printk(KERN_WARNING "%s: %s: read/write wait queue active!\n",
+				__func__, tty_name(tty, buf));
 		tty_unlock();
 		mutex_unlock(&tty_mutex);
 		schedule();
@@ -1733,15 +1730,14 @@ int tty_release(struct inode *inode, struct file *filp)
 	 */
 	if (pty_master) {
 		if (--o_tty->count < 0) {
-			printk(KERN_WARNING "tty_release_dev: bad pty slave count "
-					    "(%d) for %s\n",
-			       o_tty->count, tty_name(o_tty, buf));
+			printk(KERN_WARNING "%s: bad pty slave count (%d) for %s\n",
+				__func__, o_tty->count, tty_name(o_tty, buf));
 			o_tty->count = 0;
 		}
 	}
 	if (--tty->count < 0) {
-		printk(KERN_WARNING "tty_release_dev: bad tty->count (%d) for %s\n",
-		       tty->count, tty_name(tty, buf));
+		printk(KERN_WARNING "%s: bad tty->count (%d) for %s\n",
+				__func__, tty->count, tty_name(tty, buf));
 		tty->count = 0;
 	}
 
@@ -1790,7 +1786,7 @@ int tty_release(struct inode *inode, struct file *filp)
 	}
 
 #ifdef TTY_DEBUG_HANGUP
-	printk(KERN_DEBUG "freeing tty structure...");
+	printk(KERN_DEBUG "%s: freeing tty structure...\n", __func__);
 #endif
 	/*
 	 * Ask the line discipline code to release its structures
@@ -1967,12 +1963,12 @@ static int tty_open(struct inode *inode, struct file *filp)
 
 	tty_add_file(tty, filp);
 
-	check_tty_count(tty, "tty_open");
+	check_tty_count(tty, __func__);
 	if (tty->driver->type == TTY_DRIVER_TYPE_PTY &&
 	    tty->driver->subtype == PTY_TYPE_MASTER)
 		noctty = 1;
 #ifdef TTY_DEBUG_HANGUP
-	printk(KERN_DEBUG "opening %s...", tty->name);
+	printk(KERN_DEBUG "%s: opening %s...\n", __func__, tty->name);
 #endif
 	if (tty->ops->open)
 		retval = tty->ops->open(tty, filp);
@@ -1986,8 +1982,8 @@ static int tty_open(struct inode *inode, struct file *filp)
 
 	if (retval) {
 #ifdef TTY_DEBUG_HANGUP
-		printk(KERN_DEBUG "error %d in opening %s...", retval,
-		       tty->name);
+		printk(KERN_DEBUG "%s: error %d in opening %s...\n", __func__,
+				retval, tty->name);
 #endif
 		tty_unlock(); /* need to call tty_release without BTM */
 		tty_release(inode, filp);