From 0ce1fbdd609875f523de0d8179c6f4f8500807c7 Mon Sep 17 00:00:00 2001 From: Waldemar Rymarkiewicz Date: Wed, 3 Apr 2013 08:02:03 +0200 Subject: NFC: pn533: Fix memleak while scheduling next cmd In case of error from __pn533_send_frame_async() while sending next cmd from the queue (cmd_wq), cmd->req, cmd->resp and cmd->arg pointers won't be freed. Signed-off-by: Waldemar Rymarkiewicz Signed-off-by: Samuel Ortiz --- drivers/nfc/pn533.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) (limited to 'drivers/nfc/pn533.c') diff --git a/drivers/nfc/pn533.c b/drivers/nfc/pn533.c index 24ffbe04108..48902e58cac 100644 --- a/drivers/nfc/pn533.c +++ b/drivers/nfc/pn533.c @@ -886,6 +886,7 @@ static void pn533_wq_cmd(struct work_struct *work) { struct pn533 *dev = container_of(work, struct pn533, cmd_work); struct pn533_cmd *cmd; + int rc; mutex_lock(&dev->cmd_lock); @@ -901,8 +902,13 @@ static void pn533_wq_cmd(struct work_struct *work) mutex_unlock(&dev->cmd_lock); - __pn533_send_frame_async(dev, cmd->req, cmd->resp, cmd->resp_len, - pn533_send_async_complete, cmd->arg); + rc = __pn533_send_frame_async(dev, cmd->req, cmd->resp, cmd->resp_len, + pn533_send_async_complete, cmd->arg); + if (rc < 0) { + dev_kfree_skb(cmd->req); + dev_kfree_skb(cmd->resp); + kfree(cmd->arg); + } kfree(cmd); } -- cgit v1.2.3-70-g09d2