[package] base-files: ensure that /sys is available during sysupgrade, some essential...
authorJo-Philipp Wich <jow@openwrt.org>
Tue, 3 Jul 2012 15:43:43 +0000 (15:43 +0000)
committerJo-Philipp Wich <jow@openwrt.org>
Tue, 3 Jul 2012 15:43:43 +0000 (15:43 +0000)
SVN-Revision: 32587

package/base-files/files/lib/upgrade/common.sh

index 0a92aad..e6de348 100644 (file)
@@ -35,12 +35,14 @@ install_bin() { # <file> [ <symlink> ... ]
 
 pivot() { # <new_root> <old_root>
        mount | grep "on $1 type" 2>&- 1>&- || mount -o bind $1 $1
-       mkdir -p $1$2 $1/proc $1/dev $1/tmp $1/overlay && \
+       mkdir -p $1$2 $1/proc $1/sys $1/dev $1/tmp $1/overlay && \
        mount -o move /proc $1/proc && \
        pivot_root $1 $1$2 || {
         umount $1 $1
                return 1
        }
+
+       mount -o move $2/sys /sys
        mount -o move $2/dev /dev
        mount -o move $2/tmp /tmp
        mount -o move $2/overlay /overlay 2>&-
@@ -83,6 +85,8 @@ kill_remaining() { # [ <signal> ]
 
        local stat
        for stat in /proc/[0-9]*/stat; do
+               [ -f "$stat" ] || continue
+
                local pid name state ppid rest
                read pid name state ppid rest < $stat
                name="${name#(}"; name="${name%)}"