[PATCH] staging: rtl8712: usb_intf.c: Fix for possible null pointer dereference

Rickard Strandqvist rickard_strandqvist at spectrumdigital.se
Tue May 20 21:34:25 UTC 2014


There is otherwise a risk of a possible null pointer dereference.

Was largely found by using a static code analysis program called cppcheck.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist at spectrumdigital.se>
---
 drivers/staging/rtl8712/usb_intf.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/rtl8712/usb_intf.c b/drivers/staging/rtl8712/usb_intf.c
index bbd5888..ba74354 100644
--- a/drivers/staging/rtl8712/usb_intf.c
+++ b/drivers/staging/rtl8712/usb_intf.c
@@ -595,7 +595,7 @@ static int r871xu_drv_init(struct usb_interface *pusb_intf,
 error:
 	usb_put_dev(udev);
 	usb_set_intfdata(pusb_intf, NULL);
-	if (padapter->dvobj_deinit != NULL)
+	if (padapter && padapter->dvobj_deinit != NULL)
 		padapter->dvobj_deinit(padapter);
 	if (pnetdev)
 		free_netdev(pnetdev);
-- 
1.7.10.4



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