[ovs-dev] [PATCH v2] ovs-tcpdump: add dump_cmd checker before _doexec()
txfh2007
txfh2007 at aliyun.com
Thu Mar 7 14:18:14 UTC 2019
Sorry , I forgot to add signed-off messages.
v1->v2: add signed-off messages.
diff --git a/utilities/ovs-tcpdump.in b/utilities/ovs-tcpdump.in
index 269c252f8..f28ecf5b2 100755
--- a/utilities/ovs-tcpdump.in
+++ b/utilities/ovs-tcpdump.in
@@ -416,6 +416,10 @@ def main():
print("Error: must at least specify an interface with '-i' option")
sys.exit(1)
+ if os.system("command -v %s" % (dump_cmd)):
+ print("Error: %s is not installed !!"%dump_cmd)
+ sys.exit(1)
+
if '-l' not in tcpdargs:
tcpdargs.insert(0, '-l')
Signed-off-by: Liu Chang <txfh2007 at aliyun.com>
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