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-rw-r--r--namedev.c29
-rw-r--r--test/udev-test.pl12
2 files changed, 35 insertions, 6 deletions
diff --git a/namedev.c b/namedev.c
index 3da783b55d..58615ad5d0 100644
--- a/namedev.c
+++ b/namedev.c
@@ -716,18 +716,35 @@ int namedev_name_device(struct udevice *udev, struct sysfs_class_device *class_d
list_for_each_entry(dev, &config_device_list, node) {
dbg("process rule");
if (match_rule(udev, dev, class_dev, sysfs_device) == 0) {
- /* empty name and symlink will not create any node */
if (dev->name[0] == '\0' && dev->symlink[0] == '\0') {
- info("configured rule in '%s' at line %i applied, '%s' is ignored",
- dev->config_file, dev->config_line, udev->kernel_name);
- return -1;
+ /* empty name, symlink, perms will not create any node */
+ if (dev->mode == 0000 && dev->owner[0] == '\0' && dev->group[0] == '\0') {
+ info("configured rule in '%s[%i]' applied, '%s' is ignored",
+ dev->config_file, dev->config_line, udev->kernel_name);
+ return -1;
+ }
+
+ if (dev->mode != 0000) {
+ udev->mode = dev->mode;
+ dbg("applied mode=%#o to '%s'", udev->mode, udev->kernel_name);
+ }
+ if (dev->owner[0] != '\0') {
+ strfieldcpy(udev->owner, dev->owner);
+ apply_format(udev, udev->owner, sizeof(udev->owner), class_dev, sysfs_device);
+ dbg("applied owner='%s' to '%s'", udev->owner, udev->kernel_name);
+ }
+ if (dev->group[0] != '\0') {
+ strfieldcpy(udev->group, dev->group);
+ apply_format(udev, udev->group, sizeof(udev->group), class_dev, sysfs_device);
+ dbg("applied group='%s' to '%s'", udev->group, udev->kernel_name);
+ }
}
/* collect symlinks for the final matching rule */
if (dev->symlink[0] != '\0') {
char temp[NAME_SIZE];
- info("configured rule in '%s' at line %i applied, added symlink '%s'",
+ info("configured symlink-only rule in '%s[%i]' applied, added symlink '%s'",
dev->config_file, dev->config_line, dev->symlink);
strfieldcpy(temp, dev->symlink);
apply_format(udev, temp, sizeof(temp), class_dev, sysfs_device);
@@ -743,7 +760,7 @@ int namedev_name_device(struct udevice *udev, struct sysfs_class_device *class_d
(udev->type != 'b' || udev->kernel_number[0] != '\0'))
continue;
- info("configured rule in '%s' at line %i applied, '%s' becomes '%s'",
+ info("configured rule in '%s[%i]' applied, '%s' becomes '%s'",
dev->config_file, dev->config_line, udev->kernel_name, dev->name);
strfieldcpy(udev->name, dev->name);
diff --git a/test/udev-test.pl b/test/udev-test.pl
index bc8c4560d3..578adc4df1 100644
--- a/test/udev-test.pl
+++ b/test/udev-test.pl
@@ -622,6 +622,18 @@ KERNEL="ttyUSB[0-9]*", NAME="ttyUSB%n", OWNER="5000", GROUP="100", MODE="0777"
EOF
},
{
+ desc => "permissions only rule",
+ subsys => "tty",
+ devpath => "/class/tty/ttyUSB0",
+ exp_name => "ttyUSB0",
+ exp_perms => "5000:100:0777",
+ conf => <<EOF
+KERNEL="ttyUSB[0-9]*", OWNER="5000", GROUP="100", MODE="0777"
+KERNEL="ttyUSX[0-9]*", OWNER="5001", GROUP="101", MODE="0444"
+KERNEL="ttyUSB[0-9]*", NAME="ttyUSB%n"
+EOF
+ },
+ {
desc => "major/minor number test",
subsys => "block",
devpath => "/block/sda",