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| author | Denys Vlasenko | 2010-05-02 20:30:28 +0200 |
|---|---|---|
| committer | Denys Vlasenko | 2010-05-02 20:30:28 +0200 |
| commit | 78abf88dcc5d39ef3a36477300ed00a730ce6daa (patch) | |
| tree | 4ce52634cdbe4de16189c98c0a0dcb1840acc139 | |
| parent | 43afd75ea8de1c891c3c0a520cbb117e3f1ad49e (diff) | |
| download | busybox-78abf88dcc5d39ef3a36477300ed00a730ce6daa.zip busybox-78abf88dcc5d39ef3a36477300ed00a730ce6daa.tar.gz | |
ifdown: use /var/run/udhcpc.%iface%.pid only if it exists
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| -rw-r--r-- | networking/ifupdown.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/networking/ifupdown.c b/networking/ifupdown.c index bf88b1c..2f3dd1d 100644 --- a/networking/ifupdown.c +++ b/networking/ifupdown.c @@ -573,8 +573,10 @@ static int FAST_FUNC dhcp_down(struct interface_defn_t *ifd, execfn *exec) static int FAST_FUNC dhcp_down(struct interface_defn_t *ifd, execfn *exec) { int result; - result = execute("kill " - "`cat /var/run/udhcpc.%iface%.pid` 2>/dev/null", ifd, exec); + result = execute( + "test -f /var/run/udhcpc.%iface%.pid && " + "kill `cat /var/run/udhcpc.%iface%.pid` 2>/dev/null", + ifd, exec); /* Also bring the hardware interface down since killing the dhcp client alone doesn't do it. This enables consecutive ifup->ifdown->ifup */ |