3 files changed, 5 insertions, 10 deletions

diff --git a/networking/libiproute/iproute.c b/networking/libiproute/iproute.c
index a19586c91..23d416344 100644
--- a/networking/libiproute/iproute.c
+++ b/networking/libiproute/iproute.c
@@ -484,10 +484,9 @@ static int rtnl_rtcache_request(struct rtnl_handle *rth, int family)
 static void iproute_flush_cache(void)
 {
         static const char fn[] = "/proc/sys/net/ipv4/route/flush";
-        int flush_fd = open(fn, O_WRONLY);
+        int flush_fd = open_or_warn(fn, O_WRONLY);
 
         if (flush_fd < 0) {
-                bb_perror_msg("cannot open '%s'", fn);
                 return;
         }
 
diff --git a/networking/libiproute/iptunnel.c b/networking/libiproute/iptunnel.c
index 52a50993d..a2eb0ccda 100644
--- a/networking/libiproute/iptunnel.c
+++ b/networking/libiproute/iptunnel.c
@@ -426,10 +426,9 @@ static void do_tunnels_list(struct ip_tunnel_parm *p)
         int type;
         struct ip_tunnel_parm p1;
         char buf[512];
-        FILE *fp = fopen("/proc/net/dev", "r");
+        FILE *fp = fopen_or_warn("/proc/net/dev", "r");
 
         if (fp == NULL) {
-                bb_perror_msg("fopen");
                 return;
         }
 
diff --git a/networking/udhcp/files.c b/networking/udhcp/files.c
index ab6f4a3e4..41c8717cd 100644
--- a/networking/udhcp/files.c
+++ b/networking/udhcp/files.c
@@ -311,9 +311,8 @@ int read_config(const char *file)
                 if (keywords[i].def[0])
                         keywords[i].handler(keywords[i].def, keywords[i].var);
 
-        in = fopen(file, "r");
+        in = fopen_or_warn(file, "r");
         if (!in) {
-                bb_error_msg("cannot open config file: %s", file);
                 return 0;
         }
 
@@ -360,9 +359,8 @@ void write_leases(void)
         time_t curr = time(0);
         unsigned long tmp_time;
 
-        fp = open(server_config.lease_file, O_WRONLY|O_CREAT|O_TRUNC, 0666);
+        fp = open3_or_warn(server_config.lease_file, O_WRONLY|O_CREAT|O_TRUNC, 0666);
         if (fp < 0) {
-                bb_error_msg("cannot open %s for writing", server_config.lease_file);
                 return;
         }
 
@@ -401,9 +399,8 @@ void read_leases(const char *file)
         unsigned int i = 0;
         struct dhcpOfferedAddr lease;
 
-        fp = open(file, O_RDONLY);
+        fp = open_or_warn(file, O_RDONLY);
         if (fp < 0) {
-                bb_error_msg("cannot open %s for reading", file);
                 return;
         }