[PATCH 1/3] eal: simplify finding starting point

[Stephen Hemminger <stephen@networkplumber.org>]

A separate boolean variable is not necessary when searching for
starting point in find_device. Just use the passed argument
as its own flag value.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
 lib/librte_eal/common/eal_common_bus.c  | 6 ++----
 lib/librte_eal/common/eal_common_pci.c  | 6 ++----
 lib/librte_eal/common/eal_common_vdev.c | 6 ++----
 3 files changed, 6 insertions(+), 12 deletions(-)

diff --git a/lib/librte_eal/common/eal_common_bus.c b/lib/librte_eal/common/eal_common_bus.c
index 87b0c6e6fa03..997009d2b8d0 100644
--- a/lib/librte_eal/common/eal_common_bus.c
+++ b/lib/librte_eal/common/eal_common_bus.c
@@ -154,12 +154,10 @@ rte_bus_find(const struct rte_bus *start, rte_bus_cmp_t cmp,
 	     const void *data)
 {
 	struct rte_bus *bus = NULL;
-	bool start_found = !start;
 
 	TAILQ_FOREACH(bus, &rte_bus_list, next) {
-		if (!start_found) {
-			if (bus == start)
-				start_found = 1;
+		if (start && bus == start) {
+			start = NULL; /* starting point found */
 			continue;
 		}
 		if (cmp(bus, data) == 0)
diff --git a/lib/librte_eal/common/eal_common_pci.c b/lib/librte_eal/common/eal_common_pci.c
index 5ee100e67374..7ed259b09cd0 100644
--- a/lib/librte_eal/common/eal_common_pci.c
+++ b/lib/librte_eal/common/eal_common_pci.c
@@ -491,12 +491,10 @@ pci_find_device(const struct rte_device *start, rte_dev_cmp_t cmp,
 		const void *data)
 {
 	struct rte_pci_device *dev;
-	bool start_found = !start;
 
 	FOREACH_DEVICE_ON_PCIBUS(dev) {
-		if (!start_found) {
-			if (&dev->device == start)
-				start_found = 1;
+		if (start && &dev->device == start) {
+			start = NULL; /* starting point found */
 			continue;
 		}
 		if (cmp(&dev->device, data) == 0)
diff --git a/lib/librte_eal/common/eal_common_vdev.c b/lib/librte_eal/common/eal_common_vdev.c
index baf3c5bfa23f..9ec62f4d4dea 100644
--- a/lib/librte_eal/common/eal_common_vdev.c
+++ b/lib/librte_eal/common/eal_common_vdev.c
@@ -342,12 +342,10 @@ vdev_find_device(const struct rte_device *start, rte_dev_cmp_t cmp,
 		 const void *data)
 {
 	struct rte_vdev_device *dev;
-	bool start_found = !start;
 
 	TAILQ_FOREACH(dev, &vdev_device_list, next) {
-		if (start_found == 0) {
-			if (&dev->device == start)
-				start_found = 1;
+		if (start && &dev->device == start) {
+			start = NULL;
 			continue;
 		}
 		if (cmp(&dev->device, data) == 0)
-- 
2.11.0