From 04bf3c1a60d82791e0320381e9268f727708f776 Mon Sep 17 00:00:00 2001
From: Kay Sievers <kay@vrfy.org>
Date: Thu, 15 Aug 2013 18:35:03 +0200
Subject: sysctl: allow overwriting of values specified in "later" files

---
 src/sysctl/sysctl.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

(limited to 'src/sysctl/sysctl.c')

diff --git a/src/sysctl/sysctl.c b/src/sysctl/sysctl.c
index db18dd9f6e..b5670dbb86 100644
--- a/src/sysctl/sysctl.c
+++ b/src/sysctl/sysctl.c
@@ -135,6 +135,7 @@ static int parse_file(Hashmap *sysctl_options, const char *path, bool ignore_eno
         log_debug("parse: %s\n", path);
         while (!feof(f)) {
                 char l[LINE_MAX], *p, *value, *new_value, *property, *existing;
+                void *v;
                 int k;
 
                 if (!fgets(l, sizeof(l), f)) {
@@ -167,13 +168,14 @@ static int parse_file(Hashmap *sysctl_options, const char *path, bool ignore_eno
                 p = normalize_sysctl(strstrip(p));
                 value = strstrip(value);
 
-                existing = hashmap_get(sysctl_options, p);
+                existing = hashmap_get2(sysctl_options, p, &v);
                 if (existing) {
-                        if (!streq(value, existing))
-                                log_warning("Duplicate assignment of %s in file '%s', ignoring.",
-                                            p, path);
+                        if (streq(value, existing))
+                                continue;
 
-                        continue;
+                        log_info("Overwriting earlier assignment of %s in file '%s'.", p, path);
+                        free(hashmap_remove(sysctl_options, p));
+                        free(v);
                 }
 
                 property = strdup(p);
@@ -188,7 +190,7 @@ static int parse_file(Hashmap *sysctl_options, const char *path, bool ignore_eno
 
                 k = hashmap_put(sysctl_options, property, new_value);
                 if (k < 0) {
-                        log_error("Failed to add sysctl variable %s to hashmap: %s", property, strerror(-r));
+                        log_error("Failed to add sysctl variable %s to hashmap: %s", property, strerror(-k));
                         free(property);
                         free(new_value);
                         return k;
@@ -304,8 +306,6 @@ int main(int argc, char *argv[]) {
                         goto finish;
                 }
 
-                r = parse_file(sysctl_options, "/etc/sysctl.conf", true);
-
                 STRV_FOREACH(f, files) {
                         k = parse_file(sysctl_options, *f, true);
                         if (k < 0 && r == 0)
-- 
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