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Commit 798f739e authored by Sandeep Singh's avatar Sandeep Singh
Browse files

cnss2: Avoid null pointer dereference in cnss2 



Add change to avoid null pointer dereference.

Change-Id: I3767c6e932d3b4afc7f1fd256b29fb1b170f15f4
Signed-off-by: default avatarSandeep Singh <sandsing@codeaurora.org>
parent efe4f92d

drivers/net/wireless/cnss2/pci.c

+8 −1
Original line number Diff line number Diff line
@@ -1860,9 +1860,16 @@ int cnss_pci_unregister_driver_hdlr(struct cnss_pci_data *pci_priv) 
static bool cnss_pci_is_drv_supported(struct cnss_pci_data *pci_priv)

{

	struct pci_dev *root_port = pci_find_pcie_root_port(pci_priv->pci_dev);

	struct device_node *root_of_node = root_port->dev.of_node;

	struct device_node *root_of_node;

	bool drv_supported = false;



	if (!root_port) {

		cnss_pr_err("PCIe DRV is not supported as root port is null\n");

		return drv_supported;

	}



	root_of_node = root_port->dev.of_node;



	if (root_of_node->parent)

		drv_supported = of_property_read_bool(root_of_node->parent,

						      "qcom,drv-supported");

drivers/net/wireless/cnss2/qmi.c

+3 −3
Original line number Diff line number Diff line
@@ -775,12 +775,12 @@ int cnss_wlfw_wlan_cfg_send_sync(struct cnss_plat_data *plat_priv, 
	u32 i;

	int ret = 0;



	cnss_pr_dbg("Sending WLAN config message, state: 0x%lx\n",

		    plat_priv->driver_state);



	if (!plat_priv)

		return -ENODEV;



	cnss_pr_dbg("Sending WLAN config message, state: 0x%lx\n",

		    plat_priv->driver_state);



	req = kzalloc(sizeof(*req), GFP_KERNEL);

	if (!req)

		return -ENOMEM;