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app/testpmd: fix crash when port id out of bound

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In testpmd, when using "rx_vlan add 1 77", it will be a segment fault
Because the port ID should be less than 32.

Fixes: edab33b1c0 ("app/testpmd: support port hotplug")

Signed-off-by: Michael Qiu <michael.qiu@intel.com>
This commit is contained in:
Michael Qiu 2015-07-29 02:32:15 +08:00 committed by Thomas Monjalon
parent 49e01d6437
commit 78ef434ae2
1 changed files with 1 additions and 1 deletions
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2
app/test-pmd/config.c
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@ -388,7 +388,7 @@ port_id_is_invalid(portid_t port_id, enum print_warning warning)
if (port_id == (portid_t)RTE_PORT_ALL)
return 0;
if (ports[port_id].enabled)
if (port_id < RTE_MAX_ETHPORTS && ports[port_id].enabled)
return 0;
if (warning == ENABLED_WARN)