From 6d2f70cae481a2e8e85a244d3b2d36828dadff83 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Tue, 17 May 2016 10:32:19 +0300 Subject: [PATCH] NFC: pn533: double free on error in probe() We can't pass devm_ allocated pointers to kfree() because they will be freed again after the drive is unloaded. Signed-off-by: Dan Carpenter Signed-off-by: Samuel Ortiz --- drivers/nfc/pn533/usb.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/drivers/nfc/pn533/usb.c b/drivers/nfc/pn533/usb.c index 8ca0603..33ed78b 100644 --- a/drivers/nfc/pn533/usb.c +++ b/drivers/nfc/pn533/usb.c @@ -464,10 +464,8 @@ static int pn533_usb_probe(struct usb_interface *interface, return -ENOMEM; in_buf = kzalloc(in_buf_len, GFP_KERNEL); - if (!in_buf) { - rc = -ENOMEM; - goto out_free_phy; - } + if (!in_buf) + return -ENOMEM; phy->udev = usb_get_dev(interface_to_usbdev(interface)); phy->interface = interface; @@ -554,8 +552,7 @@ error: usb_free_urb(phy->out_urb); usb_put_dev(phy->udev); kfree(in_buf); -out_free_phy: - kfree(phy); + return rc; } -- 2.7.4