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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2016-05-17 10:32:19 +0300 |
|---|---|---|
| committer | Samuel Ortiz <sameo@linux.intel.com> | 2016-07-04 12:15:00 +0200 |
| commit | 6d2f70cae481a2e8e85a244d3b2d36828dadff83 (patch) | |
| tree | 6b8e75b375f2a032a559263ceab325c3d9e04f92 /drivers/nfc | |
| parent | f86dec94e3a86c992a637df1c301a4df25a85801 (diff) | |
| download | lwn-6d2f70cae481a2e8e85a244d3b2d36828dadff83.tar.gz lwn-6d2f70cae481a2e8e85a244d3b2d36828dadff83.zip | |
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 <dan.carpenter@oracle.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'drivers/nfc')
| -rw-r--r-- | drivers/nfc/pn533/usb.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/nfc/pn533/usb.c b/drivers/nfc/pn533/usb.c index 8ca060324b6a..33ed78be2750 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; } |