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authorThierry Escande <thierry.escande@linux.intel.com>2012-11-15 18:24:28 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-12-03 11:38:14 -0800
commit288267200ed15a769b2ec0045873c7afdf759d42 (patch)
treea2fb7d7f00b71832f14659ab75bcb4f620ee1864
parentae93d015d1868e5cdfb2329df4e7102b3eddbf1f (diff)
NFC: Fix pn533 target mode memory leak
commit 5b412fd11c918171c98a253d8a3484afa9f69ca5 upstream. In target mode, sent sk_buff were not freed in pn533_tm_send_complete Signed-off-by: Thierry Escande <thierry.escande@linux.intel.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: Peter Huewe <peterhuewe@gmx.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/nfc/pn533.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/nfc/pn533.c b/drivers/nfc/pn533.c
index 413fcad3833c..ac520406e134 100644
--- a/drivers/nfc/pn533.c
+++ b/drivers/nfc/pn533.c
@@ -2014,8 +2014,12 @@ error:
static int pn533_tm_send_complete(struct pn533 *dev, void *arg,
u8 *params, int params_len)
{
+ struct sk_buff *skb_out = arg;
+
nfc_dev_dbg(&dev->interface->dev, "%s", __func__);
+ dev_kfree_skb(skb_out);
+
if (params_len < 0) {
nfc_dev_err(&dev->interface->dev,
"Error %d when sending data",
@@ -2053,7 +2057,7 @@ static int pn533_tm_send(struct nfc_dev *nfc_dev, struct sk_buff *skb)
rc = pn533_send_cmd_frame_async(dev, out_frame, dev->in_frame,
dev->in_maxlen, pn533_tm_send_complete,
- NULL, GFP_KERNEL);
+ skb, GFP_KERNEL);
if (rc) {
nfc_dev_err(&dev->interface->dev,
"Error %d when trying to send data", rc);