[dpdk-stable] [PATCH v3] examples/vm_power_manager: fix string null termination

[David Hunt]

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 at dpdk.org

Signed-off-by: David Hunt <david.hunt at intel.com>

---
v2: Move null termination outside of do-while.
v3: Simplify null termimation
---
 examples/vm_power_manager/channel_monitor.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/examples/vm_power_manager/channel_monitor.c b/examples/vm_power_manager/channel_monitor.c
index 971e4f2bc..4a287109b 100644
--- 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;
-- 
2.17.1