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| author | Waldemar Rymarkiewicz <waldemar.rymarkiewicz@tieto.com> | 2013-04-03 08:02:03 +0200 |
|---|---|---|
| committer | Samuel Ortiz <sameo@linux.intel.com> | 2013-04-11 16:29:02 +0200 |
| commit | 0ce1fbdd609875f523de0d8179c6f4f8500807c7 (patch) | |
| tree | 3af6ae3667cc53d7b48cecf0a22b73bbae99c945 /drivers/nfc | |
| parent | f75c291361fc646d42cd62d8ebfbdecaa13077cc (diff) | |
| download | linux-0ce1fbdd609875f523de0d8179c6f4f8500807c7.tar.gz linux-0ce1fbdd609875f523de0d8179c6f4f8500807c7.tar.bz2 linux-0ce1fbdd609875f523de0d8179c6f4f8500807c7.zip | |
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 <waldemar.rymarkiewicz@tieto.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'drivers/nfc')
| -rw-r--r-- | drivers/nfc/pn533.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/nfc/pn533.c b/drivers/nfc/pn533.c index 24ffbe04108b..48902e58cacb 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); } |