diff --git a/release/src/router/busybox/testsuite/mdev.tests b/release/src/router/busybox/testsuite/mdev.tests
index 7320e17..48d3dcc 100755
--- a/release/src/router/busybox/testsuite/mdev.tests
+++ b/release/src/router/busybox/testsuite/mdev.tests
@@ -11,7 +11,7 @@ FILTER_LS="grep -v '^total ' | sed -e 's/, */,/g' -e 's/ */ /g' | cut -d' ' -f
# cut: remove size+date
FILTER_LS2="grep -v '^total ' | sed -e 's/, */,/g' -e 's/ */ /g' | cut -d' ' -f 1-4,9-"
-# testing "test name" "options" "expected result" "file input" "stdin"
+# testing "test name" "commands" "expected result" "file input" "stdin"
rm -rf mdev.testdir
mkdir mdev.testdir
@@ -128,6 +128,26 @@ SKIP=
# continuing to use directory structure from prev test
rm -rf mdev.testdir/dev/*
+echo "sda 0:0 444 =disk/sd/a" >mdev.testdir/etc/mdev.conf
+optional STATIC FEATURE_MDEV_CONF FEATURE_MDEV_RENAME FEATURE_LS_RECURSIVE FEATURE_LS_TIMESTAMPS FEATURE_LS_USERNAME
+testing "mdev move rule '=bar/baz/fname'" \
+ "env - PATH=$PATH ACTION=add DEVPATH=/block/sda chroot mdev.testdir /mdev 2>&1;
+ ls -lnR mdev.testdir/dev | $FILTER_LS2" \
+"\
+mdev.testdir/dev:
+drwxr-xr-x 3 0 0 disk
+
+mdev.testdir/dev/disk:
+drwxr-xr-x 2 0 0 sd
+
+mdev.testdir/dev/disk/sd:
+br--r--r-- 1 0 0 a
+" \
+ "" ""
+SKIP=
+
+# continuing to use directory structure from prev test
+rm -rf mdev.testdir/dev/*
# here we complicate things by having non-matching group 1 and using %0
echo "s([0-9])*d([a-z]+) 0:0 644 >sd/%2_%0" >mdev.testdir/etc/mdev.conf
optional STATIC FEATURE_MDEV_CONF FEATURE_MDEV_RENAME FEATURE_MDEV_RENAME_REGEXP FEATURE_LS_RECURSIVE FEATURE_LS_TIMESTAMPS FEATURE_LS_USERNAME FEATURE_LS_SORTF
diff --git a/release/src/router/busybox/util-linux/mdev.c b/release/src/router/busybox/util-linux/mdev.c
index c4829a5..d7b7d80 100644
--- a/release/src/router/busybox/util-linux/mdev.c
+++ b/release/src/router/busybox/util-linux/mdev.c
@@ -336,6 +336,18 @@ static const struct rule *next_rule(void)
#endif
+static void mkdir_recursive(char *name)
+{
+ /* if name has many levels ("dir1/dir2"),
+ * bb_make_directory() will create dir1 according to umask,
+ * not according to its "mode" parameter.
+ * Since we run with umask=0, need to temporarily switch it.
+ */
+ umask(022); /* "dir1" (if any) will be 0755 too */
+ bb_make_directory(name, 0755, FILEUTILS_RECUR);
+ umask(0);
+}
+
/* Builds an alias path.
* This function potentionally reallocates the alias parameter.
* Only used for ENABLE_FEATURE_MDEV_RENAME
@@ -349,7 +361,7 @@ static char *build_alias(char *alias, const char *device_name)
dest = strrchr(alias, '/');
if (dest) { /* ">bar/[baz]" ? */
*dest = '\0'; /* mkdir bar */
- bb_make_directory(alias, 0755, FILEUTILS_RECUR);
+ mkdir_recursive(alias);
*dest = '/';
if (dest[1] == '\0') { /* ">bar/" => ">bar/device_name" */
dest = alias;