sysctl: on EIO ("sysctl net.ipv6.conf.all.stable_secret") set nonzero exitcode

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

diff --git a/procps/sysctl.c b/procps/sysctl.c
index 2ef19c1be9deaececbfd79f1e389d112521f242e..94a3079012bc40f95320b3d7353e9b16f349a7ad 100644 (file)
--- a/procps/sysctl.c
+++ b/procps/sysctl.c
@@ -177,6 +177,7 @@ static int sysctl_act_on_setting(char *setting)
                close(fd);
                if (value == NULL) {
                        bb_perror_msg("error reading key '%s'", outname);
+                       retval = EXIT_FAILURE;
                        goto end;
                }