[PATCH v3 09/36] bus/*: remove unnecessary NULL checks

[Stephen Hemminger]

Remove redundant NULL pointer checks before free functions
found by nullfree.cocci

Signed-off-by: Stephen Hemminger <stephen at networkplumber.org>
Acked-by: Hemant Agrawal <hemant.agrawal at nxp.com>
---
 drivers/bus/fslmc/fslmc_bus.c            |  6 ++----
 drivers/bus/fslmc/portal/dpaa2_hw_dpio.c |  6 ++----
 drivers/bus/ifpga/ifpga_bus.c            | 12 ++++--------
 drivers/bus/pci/pci_params.c             |  3 +--
 drivers/bus/pci/windows/pci.c            |  3 +--
 drivers/bus/pci/windows/pci_netuio.c     |  3 +--
 6 files changed, 11 insertions(+), 22 deletions(-)

diff --git a/drivers/bus/fslmc/fslmc_bus.c b/drivers/bus/fslmc/fslmc_bus.c
index 356253f6b412..e9edc27e0ab0 100644
--- a/drivers/bus/fslmc/fslmc_bus.c
+++ b/drivers/bus/fslmc/fslmc_bus.c
@@ -221,13 +221,11 @@ scan_one_fslmc_device(char *dev_name)
 	insert_in_device_list(dev);
 
 	/* Don't need the duplicated device filesystem entry anymore */
-	if (dup_dev_name)
-		free(dup_dev_name);
+	free(dup_dev_name);
 
 	return 0;
 cleanup:
-	if (dup_dev_name)
-		free(dup_dev_name);
+	free(dup_dev_name);
 	if (dev) {
 		rte_intr_instance_free(dev->intr_handle);
 		free(dev);
diff --git a/drivers/bus/fslmc/portal/dpaa2_hw_dpio.c b/drivers/bus/fslmc/portal/dpaa2_hw_dpio.c
index 52605ea2c32c..943fadee4816 100644
--- a/drivers/bus/fslmc/portal/dpaa2_hw_dpio.c
+++ b/drivers/bus/fslmc/portal/dpaa2_hw_dpio.c
@@ -149,8 +149,7 @@ dpaa2_affine_dpio_intr_to_respective_core(int32_t dpio_id, int cpu_id)
 	if (!token) {
 		DPAA2_BUS_WARN("Failed to get interrupt id for dpio.%d",
 			       dpio_id);
-		if (temp)
-			free(temp);
+		free(temp);
 		fclose(file);
 		return;
 	}
@@ -574,8 +573,7 @@ dpaa2_free_dq_storage(struct queue_storage_info_t *q_storage)
 	int i = 0;
 
 	for (i = 0; i < NUM_DQS_PER_QUEUE; i++) {
-		if (q_storage->dq_storage[i])
-			rte_free(q_storage->dq_storage[i]);
+		rte_free(q_storage->dq_storage[i]);
 	}
 }
 
diff --git a/drivers/bus/ifpga/ifpga_bus.c b/drivers/bus/ifpga/ifpga_bus.c
index c5c8bbd57219..e005f2cb70b3 100644
--- a/drivers/bus/ifpga/ifpga_bus.c
+++ b/drivers/bus/ifpga/ifpga_bus.c
@@ -191,10 +191,8 @@ ifpga_scan_one(struct rte_rawdev *rawdev,
 	return afu_dev;
 
 end:
-	if (kvlist)
-		rte_kvargs_free(kvlist);
-	if (path)
-		free(path);
+	rte_kvargs_free(kvlist);
+	free(path);
 	if (afu_dev) {
 		rte_intr_instance_free(afu_dev->intr_handle);
 		free(afu_dev);
@@ -254,10 +252,8 @@ ifpga_scan(void)
 	}
 
 end:
-	if (kvlist)
-		rte_kvargs_free(kvlist);
-	if (name)
-		free(name);
+	rte_kvargs_free(kvlist);
+	free(name);
 
 	return 0;
 }
diff --git a/drivers/bus/pci/pci_params.c b/drivers/bus/pci/pci_params.c
index 60b424b8297e..61a868707f16 100644
--- a/drivers/bus/pci/pci_params.c
+++ b/drivers/bus/pci/pci_params.c
@@ -117,8 +117,7 @@ rte_pci_devargs_parse(struct rte_devargs *da)
 	rte_pci_device_name(&addr, da->name, sizeof(da->name));
 
 out:
-	if (kvargs != NULL)
-		rte_kvargs_free(kvargs);
+	rte_kvargs_free(kvargs);
 	if (ret != 0)
 		rte_errno = -ret;
 	return ret;
diff --git a/drivers/bus/pci/windows/pci.c b/drivers/bus/pci/windows/pci.c
index 39ba31be7d38..7bf091158ba2 100644
--- a/drivers/bus/pci/windows/pci.c
+++ b/drivers/bus/pci/windows/pci.c
@@ -418,8 +418,7 @@ pci_scan_one(HDEVINFO dev_info, PSP_DEVINFO_DATA device_info_data)
 
 	return 0;
 end:
-	if (dev)
-		free(dev);
+	free(dev);
 	return ret;
 }
 
diff --git a/drivers/bus/pci/windows/pci_netuio.c b/drivers/bus/pci/windows/pci_netuio.c
index a0b175a8fca0..5460399eea5f 100644
--- a/drivers/bus/pci/windows/pci_netuio.c
+++ b/drivers/bus/pci/windows/pci_netuio.c
@@ -180,8 +180,7 @@ get_netuio_device_info(HDEVINFO dev_info, PSP_DEVINFO_DATA dev_info_data,
 			CloseHandle(netuio);
 	}
 
-	if (dev_ifx_detail)
-		free(dev_ifx_detail);
+	free(dev_ifx_detail);
 
 	if (di_set != INVALID_HANDLE_VALUE)
 		SetupDiDestroyDeviceInfoList(di_set);
-- 
2.34.1