replace spaces in dm and md name symlinks

We create multiple symlinks for dm names with spaces, which
isn't what we want.

rules/packages/64-md-raid.rules

@@ -11,9 +11,9 @@ KERNEL!="md*", GOTO="md_end"
 ATTR{md/array_state}=="|clear|inactive", GOTO="md_end"
 
 IMPORT{program}="/sbin/mdadm --detail --export $tempnode"
-ENV{DEVTYPE}=="disk", ENV{MD_NAME}=="?*", SYMLINK+="disk/by-id/md-name-$env{MD_NAME}"
+ENV{DEVTYPE}=="disk", ENV{MD_NAME}=="?*", SYMLINK+="disk/by-id/md-name-$env{MD_NAME}", OPTIONS+="string_escape=replace"
 ENV{DEVTYPE}=="disk", ENV{MD_UUID}=="?*", SYMLINK+="disk/by-id/md-uuid-$env{MD_UUID}"
-ENV{DEVTYPE}=="partition", ENV{MD_NAME}=="?*", SYMLINK+="disk/by-id/md-name-$env{MD_NAME}-part%n"
+ENV{DEVTYPE}=="partition", ENV{MD_NAME}=="?*", SYMLINK+="disk/by-id/md-name-$env{MD_NAME}-part%n", OPTIONS+="string_escape=replace"
 ENV{DEVTYPE}=="partition", ENV{MD_UUID}=="?*", SYMLINK+="disk/by-id/md-uuid-$env{MD_UUID}-part%n"
 
 IMPORT{program}="vol_id --export $tempnode"

rules/suse/64-device-mapper.rules

@@ -8,7 +8,7 @@ ACTION!="add|change", GOTO="device_mapper_end"
 IMPORT{program}="/sbin/dmsetup export -j%M -m%m"
 ENV{DM_NAME}!="?*", GOTO="device_mapper_end"
 
-SYMLINK+="disk/by-id/dm-name-$env{DM_NAME}"
+SYMLINK+="disk/by-id/dm-name-$env{DM_NAME}", OPTIONS+="string_escape=replace"
 ENV{DM_UUID}=="?*", SYMLINK+="disk/by-id/dm-uuid-$env{DM_UUID}"
 
 ENV{DM_STATE}=="SUSPENDED", GOTO="device_mapper_end"

udev/udev_rules.c

@@ -1447,7 +1447,7 @@ int udev_rules_get_name(struct udev_rules *rules, struct udevice *udevice)
 			     rule->symlink.operation == KEY_OP_ADD)) {
 				char temp[UTIL_PATH_SIZE];
 				char *pos, *next;
-				int count;
+				int count = 0;
 
 				if (rule->symlink.operation == KEY_OP_ASSIGN_FINAL)
 					udevice->symlink_final = 1;
@@ -1459,12 +1459,12 @@ int udev_rules_get_name(struct udev_rules *rules, struct udevice *udevice)
 				/* allow  multiple symlinks separated by spaces */
 				util_strlcpy(temp, key_val(rule, &rule->symlink), sizeof(temp));
 				udev_rules_apply_format(udevice, temp, sizeof(temp));
-				if (rule->string_escape == ESCAPE_UNSET ||
-				    rule->string_escape == ESCAPE_REPLACE) {
+				if (rule->string_escape == ESCAPE_UNSET)
 					count = util_replace_chars(temp, ALLOWED_CHARS_FILE " ");
-					if (count > 0)
-						info(udevice->udev, "%i character(s) replaced\n" , count);
-				}
+				else if (rule->string_escape == ESCAPE_REPLACE)
+					count = util_replace_chars(temp, ALLOWED_CHARS_FILE);
+				if (count > 0)
+					info(udevice->udev, "%i character(s) replaced\n" , count);
 				dbg(udevice->udev, "rule applied, added symlink(s) '%s'\n", temp);
 				pos = temp;
 				while (isspace(pos[0]))