From: Lennart Poettering <lennart@poettering.net>
Date: Thu, 14 Sep 2017 14:54:32 +0000 (+0200)
Subject: conf-parser: when the empty string assigned to Personality= reset it
X-Git-Tag: v235~105^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=40fdd636ad8eb7cd8dbf18db8ad724ff4ac2ba33;p=platform%2Fupstream%2Fsystemd.git

conf-parser: when the empty string assigned to Personality= reset it

Let's support assigning the empty string to reset things in one more
place.
---

diff --git a/src/shared/conf-parser.c b/src/shared/conf-parser.c
index c0afe45..a84b612 100644
--- a/src/shared/conf-parser.c
+++ b/src/shared/conf-parser.c
@@ -916,10 +916,14 @@ int config_parse_personality(
         assert(rvalue);
         assert(personality);
 
-        p = personality_from_string(rvalue);
-        if (p == PERSONALITY_INVALID) {
-                log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse personality, ignoring: %s", rvalue);
-                return 0;
+        if (isempty(rvalue))
+                p = PERSONALITY_INVALID;
+        else {
+                p = personality_from_string(rvalue);
+                if (p == PERSONALITY_INVALID) {
+                        log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse personality, ignoring: %s", rvalue);
+                        return 0;
+                }
         }
 
         *personality = p;