[06/37] bus/fslmc: support handle portal alloc failure
diff mbox series

Message ID 20200527132326.1382-7-hemant.agrawal@nxp.com
State Changes Requested, archived
Delegated to: Ferruh Yigit
Headers show
Series
  • NXP DPAAx enhancements
Related show

Checks

Context Check Description
ci/Intel-compilation success Compilation OK
ci/checkpatch success coding style OK

Commit Message

Hemant Agrawal May 27, 2020, 1:22 p.m. UTC
Add the error handling on failure.

Signed-off-by: Nipun Gupta <nipun.gupta@nxp.com>
Signed-off-by: Hemant Agrawal <hemant.agrawal@nxp.com>
---
 drivers/bus/fslmc/portal/dpaa2_hw_dpio.c | 28 ++++++++++++++----------
 1 file changed, 16 insertions(+), 12 deletions(-)

Patch
diff mbox series

diff --git a/drivers/bus/fslmc/portal/dpaa2_hw_dpio.c b/drivers/bus/fslmc/portal/dpaa2_hw_dpio.c
index b7a49e8f6..5a12ff35d 100644
--- a/drivers/bus/fslmc/portal/dpaa2_hw_dpio.c
+++ b/drivers/bus/fslmc/portal/dpaa2_hw_dpio.c
@@ -264,6 +264,16 @@  dpaa2_configure_stashing(struct dpaa2_dpio_dev *dpio_dev)
 	return 0;
 }
 
+static void dpaa2_put_qbman_swp(struct dpaa2_dpio_dev *dpio_dev)
+{
+	if (dpio_dev) {
+#ifdef RTE_LIBRTE_PMD_DPAA2_EVENTDEV
+		dpaa2_dpio_intr_deinit(dpio_dev);
+#endif
+		rte_atomic16_clear(&dpio_dev->ref_count);
+	}
+}
+
 static struct dpaa2_dpio_dev *dpaa2_get_qbman_swp(void)
 {
 	struct dpaa2_dpio_dev *dpio_dev = NULL;
@@ -274,8 +284,10 @@  static struct dpaa2_dpio_dev *dpaa2_get_qbman_swp(void)
 		if (dpio_dev && rte_atomic16_test_and_set(&dpio_dev->ref_count))
 			break;
 	}
-	if (!dpio_dev)
+	if (!dpio_dev) {
+		DPAA2_BUS_ERR("No software portal resource left");
 		return NULL;
+	}
 
 	DPAA2_BUS_DEBUG("New Portal %p (%d) affined thread - %lu",
 			dpio_dev, dpio_dev->index, syscall(SYS_gettid));
@@ -283,6 +295,7 @@  static struct dpaa2_dpio_dev *dpaa2_get_qbman_swp(void)
 	ret = dpaa2_configure_stashing(dpio_dev);
 	if (ret) {
 		DPAA2_BUS_ERR("dpaa2_configure_stashing failed");
+		rte_atomic16_clear(&dpio_dev->ref_count);
 		return NULL;
 	}
 
@@ -296,15 +309,6 @@  static struct dpaa2_dpio_dev *dpaa2_get_qbman_swp(void)
 	return dpio_dev;
 }
 
-static void dpaa2_put_qbman_swp(struct dpaa2_dpio_dev *dpio_dev)
-{
-#ifdef RTE_LIBRTE_PMD_DPAA2_EVENTDEV
-	dpaa2_dpio_intr_deinit(dpio_dev);
-#endif
-	if (dpio_dev)
-		rte_atomic16_clear(&dpio_dev->ref_count);
-}
-
 int
 dpaa2_affine_qbman_swp(void)
 {
@@ -315,7 +319,7 @@  dpaa2_affine_qbman_swp(void)
 	if (!RTE_PER_LCORE(_dpaa2_io).dpio_dev) {
 		dpio_dev = dpaa2_get_qbman_swp();
 		if (!dpio_dev) {
-			DPAA2_BUS_ERR("No software portal resource left");
+			DPAA2_BUS_ERR("Error in software portal allocation");
 			return -1;
 		}
 		RTE_PER_LCORE(_dpaa2_io).dpio_dev = dpio_dev;
@@ -337,7 +341,7 @@  dpaa2_affine_qbman_ethrx_swp(void)
 	if (!RTE_PER_LCORE(_dpaa2_io).ethrx_dpio_dev) {
 		dpio_dev = dpaa2_get_qbman_swp();
 		if (!dpio_dev) {
-			DPAA2_BUS_ERR("No software portal resource left");
+			DPAA2_BUS_ERR("Error in software portal allocation");
 			return -1;
 		}
 		RTE_PER_LCORE(_dpaa2_io).ethrx_dpio_dev = dpio_dev;