util: unify reading of /proc/cmdline

Instead of individually checking for containers in each user do this
once in a new call proc_cmdline() that read the file only if we are not
in a container.

1 files changed, 9 insertions, 9 deletions

diff --git a/src/cryptsetup/cryptsetup-generator.c b/src/cryptsetup/cryptsetup-generator.c
index e1798a3e8..9c98f0b61 100644
--- a/src/cryptsetup/cryptsetup-generator.c
+++ b/src/cryptsetup/cryptsetup-generator.c
@@ -27,7 +27,6 @@
 #include "util.h"
 #include "unit-name.h"
 #include "mkdir.h"
-#include "virt.h"
 #include "strv.h"
 #include "fileio.h"
 
@@ -241,20 +240,21 @@ static int create_disk(
         return 0;
 }
 
-static int parse_proc_cmdline(char ***arg_proc_cmdline_disks, char ***arg_proc_cmdline_options, char **arg_proc_cmdline_keyfile) {
+static int parse_proc_cmdline(
+                char ***arg_proc_cmdline_disks,
+                char ***arg_proc_cmdline_options,
+                char **arg_proc_cmdline_keyfile) {
+
         _cleanup_free_ char *line = NULL;
         char *w = NULL, *state = NULL;
-        int r;
         size_t l;
+        int r;
 
-        if (detect_container(NULL) > 0)
-                return 0;
-
-        r = read_one_line_file("/proc/cmdline", &line);
-        if (r < 0) {
+        r = proc_cmdline(&line);
+        if (r < 0)
                 log_warning("Failed to read /proc/cmdline, ignoring: %s", strerror(-r));
+        if (r <= 0)
                 return 0;
-        }
 
         FOREACH_WORD_QUOTED(w, l, line, state) {
                 _cleanup_free_ char *word = NULL;