busybox: remove mdev support

mdev: add separate mdev package creating standalone executable
 * adjust mdev.conf to create /dev/buzzer link
 * change slugos-image.bb to include standalone mdev

1 files changed, 39 insertions, 0 deletions

diff --git a/packages/mdev/mdev-1.2.1/mdevdelnodes.patch b/packages/mdev/mdev-1.2.1/mdevdelnodes.patch
new file mode 100644
index 0000000000..b63a703a89
--- /dev/null
+++ b/packages/mdev/mdev-1.2.1/mdevdelnodes.patch
@@ -0,0 +1,39 @@
+Patch from Chris Steel to fix mdev deleting device nodes.
+
+--- busybox/util-linux/mdev.c	2006/08/03 15:41:12	15767
++++ busybox/util-linux/mdev.c	2006/08/10 01:09:37	15795
+@@ -37,18 +37,19 @@
+ 	 * because sscanf() will stop at the first nondigit, which \n is.  We
+ 	 * also depend on path having writeable space after it. */
+ 
+-	strcat(path, "/dev");
+-	fd = open(path, O_RDONLY);
+-	len = read(fd, temp + 1, 64);
+-	*temp++ = 0;
+-	close(fd);
+-	if (len < 1) return;
++	if (!delete) {
++		strcat(path, "/dev");
++		fd = open(path, O_RDONLY);
++		len = read(fd, temp + 1, 64);
++		*temp++ = 0;
++		close(fd);
++		if (len < 1) return;
++	}
+ 
+ 	/* Determine device name, type, major and minor */
+ 
+ 	device_name = strrchr(path, '/') + 1;
+ 	type = path[5]=='c' ? S_IFCHR : S_IFBLK;
+-	if (sscanf(temp, "%d:%d", &major, &minor) != 2) return;
+ 
+ 	/* If we have a config file, look up permissions for this device */
+ 
+@@ -164,6 +165,7 @@
+ 
+ 	umask(0);
+ 	if (!delete) {
++		if (sscanf(temp, "%d:%d", &major, &minor) != 2) return;
+ 		if (mknod(device_name, mode | type, makedev(major, minor)) && errno != EEXIST)
+ 			bb_perror_msg_and_die("mknod %s failed", device_name);
+