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-rw-r--r--init_functions14
1 files changed, 5 insertions, 9 deletions
diff --git a/init_functions b/init_functions
index d9ffe4a..a94f525 100644
--- a/init_functions
+++ b/init_functions
@@ -87,15 +87,11 @@ default_mount_handler() {
major=""
minor=""
if [ ${root:0:5} = "/dev/" ]; then
- # It might be a block device (/dev/sda) -> /sys/block/sda/dev
- # or a partition (/dev/sda1) -> /sys/block/sda/sda1/dev
- for dir in /sys/block /sys/block/*; do
- if [ -f ${dir}/${root:5}/dev ]; then
- major="$(cat ${dir}/${root:5}/dev | cut -d: -f1)"
- minor="$(cat ${dir}/${root:5}/dev | cut -d: -f2)"
- break
- fi
- done
+ # It might be a block device (/dev/sda) -> /sys/class/block/sda/dev
+ if [ -e /sys/class/block/${root:5}/dev ]; then
+ IFS=':' read major minor < "/sys/class/block/${root:5}/dev"
+ break
+ fi
# It might be a major/minor pair (8:1)
elif echo ${root} | grep -q :; then
major="$(echo ${root} | cut -d: -f1)"