[dpdk-dev] [PATCH] power: update for error handling

[Lukasz Krakowiak]

Update for handling negative returned status from functions
call.

Signed-off-by: Lukasz Krakowiak <lukaszx.krakowiak at intel.com>
---
 examples/vm_power_manager/channel_manager.c | 4 ++--
 examples/vm_power_manager/channel_monitor.c | 6 +++---
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/examples/vm_power_manager/channel_manager.c b/examples/vm_power_manager/channel_manager.c
index de1a86891..09bfa5c0d 100644
--- a/examples/vm_power_manager/channel_manager.c
+++ b/examples/vm_power_manager/channel_manager.c
@@ -224,7 +224,7 @@ open_non_blocking_channel(struct channel_info *info)
 	struct timeval tv;
 
 	info->fd = socket(AF_UNIX, SOCK_STREAM, 0);
-	if (info->fd == -1) {
+	if (info->fd < 0) {
 		RTE_LOG(ERR, CHANNEL_MANAGER, "Error(%s) creating socket for '%s'\n",
 				strerror(errno),
 				info->channel_path);
@@ -285,7 +285,7 @@ open_host_channel(struct channel_info *info)
 	int flags;
 
 	info->fd = open(info->channel_path, O_RDWR | O_RSYNC);
-	if (info->fd == -1) {
+	if (info->fd < 0) {
 		RTE_LOG(ERR, CHANNEL_MANAGER, "Error(%s) opening fifo for '%s'\n",
 				strerror(errno),
 				info->channel_path);
diff --git a/examples/vm_power_manager/channel_monitor.c b/examples/vm_power_manager/channel_monitor.c
index 1a3a0fa76..22f2eb819 100644
--- a/examples/vm_power_manager/channel_monitor.c
+++ b/examples/vm_power_manager/channel_monitor.c
@@ -435,7 +435,7 @@ update_policy(struct channel_packet *pkt)
 			/* Copy the contents of *pkt into the policy.pkt */
 			policies[i].pkt = *pkt;
 			get_pcpu_to_control(&policies[i]);
-			if (get_pfid(&policies[i]) == -1) {
+			if (get_pfid(&policies[i]) < 0) {
 				updated = 1;
 				break;
 			}
@@ -449,7 +449,7 @@ update_policy(struct channel_packet *pkt)
 			if (policies[i].enabled == 0) {
 				policies[i].pkt = *pkt;
 				get_pcpu_to_control(&policies[i]);
-				if (get_pfid(&policies[i]) == -1)
+				if (get_pfid(&policies[i]) < 0)
 					break;
 				core_share_status(i);
 				policies[i].enabled = 1;
@@ -756,7 +756,7 @@ read_binary_packet(struct channel_info *chan_info)
 				buffer, buffer_len);
 		if (n_bytes == buffer_len)
 			break;
-		if (n_bytes == -1) {
+		if (n_bytes < 0) {
 			err = errno;
 			RTE_LOG(DEBUG, CHANNEL_MONITOR,
 				"Received error on "
-- 
2.19.2.windows.1