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Commit 323b3553 authored by Yue Ma's avatar Yue Ma
Browse files

cnss: Add NULL check in suspend/resume routine 



penv should be checked before dereference otherwise it may lead to crash
in some cases.

Change-Id: I02016f4b911b35a8fba810117b7da461da8c4893
CRs-fixed: 665663
Signed-off-by: default avatarYue Ma <yuem@codeaurora.org>
parent de6c83ce

drivers/net/wireless/cnss/cnss.c

+10 −2
Original line number Diff line number Diff line
@@ -502,8 +502,12 @@ static void cnss_wlan_pci_remove(struct pci_dev *pdev) 
static int cnss_wlan_pci_suspend(struct pci_dev *pdev, pm_message_t state)

{

	int ret = 0;

	struct cnss_wlan_driver *wdriver = penv->driver;

	struct cnss_wlan_driver *wdriver;



	if (!penv)

		goto out;



	wdriver = penv->driver;

	if (!wdriver)

		goto out;
@@ -517,8 +521,12 @@ out: 
static int cnss_wlan_pci_resume(struct pci_dev *pdev)

{

	int ret = 0;

	struct cnss_wlan_driver *wdriver = penv->driver;

	struct cnss_wlan_driver *wdriver;



	if (!penv)

		goto out;



	wdriver = penv->driver;

	if (!wdriver)

		goto out;