From 2b4f7a9e8aff3b740995b6d2aff23de6cad7646d Mon Sep 17 00:00:00 2001
From: ed <ed@FreeBSD.org>
Date: Fri, 10 Feb 2012 12:40:50 +0000
Subject: Merge si_name and __si_namebuf.

The si_name pointer always points to the __si_namebuf member inside the
same object. Remove it and rename __si_namebuf to si_name.
---
 sys/fs/devfs/devfs_devs.c |  1 -
 sys/kern/kern_conf.c      | 14 +++++++-------
 sys/sys/conf.h            |  4 ++--
 3 files changed, 9 insertions(+), 10 deletions(-)

(limited to 'sys')

diff --git a/sys/fs/devfs/devfs_devs.c b/sys/fs/devfs/devfs_devs.c
index a111527..71caa29 100644
--- a/sys/fs/devfs/devfs_devs.c
+++ b/sys/fs/devfs/devfs_devs.c
@@ -133,7 +133,6 @@ devfs_alloc(int flags)
 
 	cdev = &cdp->cdp_c;
 
-	cdev->si_name = cdev->__si_namebuf;
 	LIST_INIT(&cdev->si_children);
 	vfs_timestamp(&ts);
 	cdev->si_atime = cdev->si_mtime = cdev->si_ctime = ts;
diff --git a/sys/kern/kern_conf.c b/sys/kern/kern_conf.c
index 85737e8..0ca4fcc 100644
--- a/sys/kern/kern_conf.c
+++ b/sys/kern/kern_conf.c
@@ -690,16 +690,16 @@ prep_devname(struct cdev *dev, const char *fmt, va_list ap)
 
 	mtx_assert(&devmtx, MA_OWNED);
 
-	len = vsnrprintf(dev->__si_namebuf, sizeof(dev->__si_namebuf), 32,
+	len = vsnrprintf(dev->si_name, sizeof(dev->si_name), 32,
 	    fmt, ap);
-	if (len > sizeof(dev->__si_namebuf) - 1)
+	if (len > sizeof(dev->si_name) - 1)
 		return (ENAMETOOLONG);
 
 	/* Strip leading slashes. */
-	for (from = dev->__si_namebuf; *from == '/'; from++)
+	for (from = dev->si_name; *from == '/'; from++)
 		;
 
-	for (to = dev->__si_namebuf; *from != '\0'; from++, to++) {
+	for (to = dev->si_name; *from != '\0'; from++, to++) {
 		/* Treat multiple sequential slashes as single. */
 		while (from[0] == '/' && from[1] == '/')
 			from++;
@@ -710,11 +710,11 @@ prep_devname(struct cdev *dev, const char *fmt, va_list ap)
 	}
 	*to = '\0';
 
-	if (dev->__si_namebuf[0] == '\0')
+	if (dev->si_name[0] == '\0')
 		return (EINVAL);
 
 	/* Disallow "." and ".." components. */
-	for (s = dev->__si_namebuf;;) {
+	for (s = dev->si_name;;) {
 		for (q = s; *q != '/' && *q != '\0'; q++)
 			;
 		if (q - s == 1 && s[0] == '.')
@@ -726,7 +726,7 @@ prep_devname(struct cdev *dev, const char *fmt, va_list ap)
 		s = q + 1;
 	}
 
-	if (devfs_dev_exists(dev->__si_namebuf) != 0)
+	if (devfs_dev_exists(dev->si_name) != 0)
 		return (EEXIST);
 
 	return (0);
diff --git a/sys/sys/conf.h b/sys/sys/conf.h
index 7dfa82e..0a12124 100644
--- a/sys/sys/conf.h
+++ b/sys/sys/conf.h
@@ -78,7 +78,7 @@ struct cdev {
 	LIST_HEAD(, cdev)	si_children;
 	LIST_ENTRY(cdev)	si_siblings;
 	struct cdev *si_parent;
-	char		*si_name;
+	void		*si_spare0;
 	void		*si_drv1, *si_drv2;
 	struct cdevsw	*si_devsw;
 	int		si_iosize_max;	/* maximum I/O size (for physio &al) */
@@ -87,7 +87,7 @@ struct cdev {
 	union {
 		struct snapdata *__sid_snapdata;
 	} __si_u;
-	char		__si_namebuf[SPECNAMELEN + 1];
+	char		si_name[SPECNAMELEN + 1];
 };
 
 #define	si_snapdata	__si_u.__sid_snapdata
-- 
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