examples/power: fix json null termination

coverity complains about a null-termination after a read,
so we terminate once we exit the do-while read loop.

Coverity issue: 337680
Fixes: a63504a90f ("examples/power: add JSON string handling")
Cc: stable@dpdk.org
Signed-off-by: David Hunt <david.hunt@intel.com>
Reviewed-by: Anatoly Burakov <anatoly.burakov@intel.com>

diff --git a/examples/vm_power_manager/channel_monitor.c b/examples/vm_power_manager/channel_monitor.c
index 971e4f2..4a28710 100644 (file)
--- a/examples/vm_power_manager/channel_monitor.c
+++ b/examples/vm_power_manager/channel_monitor.c
@@ -822,12 +822,7 @@ read_json_packet(struct channel_info *chan_info)
                                break;
                } while (indent > 0);
 
-               if (indent > 0)
-                       /*
-                        * We've broken out of the read loop without getting
-                        * a closing brace, so throw away the data
-                        */
-                       json_data[idx] = 0;
+               json_data[idx] = '\0';
 
                if (strlen(json_data) == 0)
                        continue;