app/testpmd: avoid process ID out of range

The 'proc_id' should be less than 'num_procs', if not, exit the testpmd
and show the error message.

Fixes: a550baf24af9 ("app/testpmd: support multi-process")
Signed-off-by: Haiyue Wang <haiyue.wang@intel.com>
Acked-by: Min Hu (Connor) <humin29@huawei.com>
Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>

diff --git a/app/test-pmd/parameters.c b/app/test-pmd/parameters.c
index 0974b0a38f18d70301192c804c43abaaab664b28..5251722d0fce96d8870ee8ced4ab8c4bcf8b2c75 100644 (file)
--- a/app/test-pmd/parameters.c
+++ b/app/test-pmd/parameters.c
@@ -1527,6 +1527,12 @@ launch_args_parse(int argc, char** argv)
                rte_exit(EXIT_FAILURE, "Command line is incorrect\n");
        }
 
+       if (proc_id >= (int)num_procs)
+               rte_exit(EXIT_FAILURE,
+                        "The multi-process option '%s(%d)' should be less than '%s(%u)'\n",
+                        PARAM_PROC_ID, proc_id,
+                        PARAM_NUM_PROCS, num_procs);
+
        /* Set offload configuration from command line parameters. */
        rx_mode.offloads = rx_offloads;
        tx_mode.offloads = tx_offloads;