[PATCH] iproute: print more verbose error on route cache flush
Before: kda@vfirst ~/devel/iproute2 $ ./ip/ip route flush cache Cannot open "/proc/sys/net/ipv4/route/flush" After: kda@vfirst ~/devel/iproute2/ip $ ./ip route flush cache Cannot open "/proc/sys/net/ipv4/route/flush": Permission denied Signed-off-by: Denis Kirjanov --- ip/iproute.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/ip/iproute.c b/ip/iproute.c index 8f49e62..abe4180 100644 --- a/ip/iproute.c +++ b/ip/iproute.c @@ -1213,7 +1213,8 @@ static int iproute_flush_cache(void) char *buffer = "-1"; if (flush_fd < 0) { - fprintf (stderr, "Cannot open \"%s\"\n", ROUTE_FLUSH_PATH); + fprintf (stderr, "Cannot open \"%s\": %s\n", + ROUTE_FLUSH_PATH, strerror(errno)); return -1; } -- 2.4.0 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: [PATCH] iproute: print more verbose error on route cache flush
On Sat, 5 Sep 2015 10:40:50 +0300 Denis Kirjanov wrote: > Before: > kda@vfirst ~/devel/iproute2 $ ./ip/ip route flush cache > Cannot open "/proc/sys/net/ipv4/route/flush" > > After: > kda@vfirst ~/devel/iproute2/ip $ ./ip route flush cache > Cannot open "/proc/sys/net/ipv4/route/flush": Permission denied > > Signed-off-by: Denis Kirjanov > --- > ip/iproute.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/ip/iproute.c b/ip/iproute.c > index 8f49e62..abe4180 100644 > --- a/ip/iproute.c > +++ b/ip/iproute.c > @@ -1213,7 +1213,8 @@ static int iproute_flush_cache(void) > char *buffer = "-1"; > > if (flush_fd < 0) { > - fprintf (stderr, "Cannot open \"%s\"\n", ROUTE_FLUSH_PATH); > + fprintf (stderr, "Cannot open \"%s\": %s\n", > + ROUTE_FLUSH_PATH, strerror(errno)); > return -1; > } > Sure why not, applied -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html