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NFC: pn533: Fix mem leak in pn533_in_dep_link_up 

commit 70418e6efcf4f8652cc08e3f2ab8ae35f0948fd9 upstream.

cmd is allocated in pn533_dep_link_up and passed as an arg to
pn533_send_cmd_frame_async together with a complete cb.

arg is passed to the cb and must be kfreed there.

Signed-off-by: Waldemar Rymarkiewicz <waldemar.rymarkiewicz@tieto.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>
This commit is contained in:
Waldemar Rymarkiewicz 2012-10-11 14:04:00 +02:00 committed by Greg Kroah-Hartman
parent c09221cefd
commit b127f3f930
1 changed files with 5 additions and 3 deletions
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8
drivers/nfc/pn533.c
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@ -1278,11 +1278,14 @@ static void pn533_deactivate_target(struct nfc_dev *nfc_dev, u32 target_idx)
static int pn533_in_dep_link_up_complete(struct pn533 *dev, void *arg,
u8 *params, int params_len)
{
struct pn533_cmd_jump_dep *cmd;
struct pn533_cmd_jump_dep_response *resp;
struct nfc_target nfc_target;
u8 target_gt_len;
int rc;
struct pn533_cmd_jump_dep *cmd = (struct pn533_cmd_jump_dep *)arg;
u8 active = cmd->active;
kfree(arg);
if (params_len == -ENOENT) {
nfc_dev_dbg(&dev->interface->dev, "");
@ -1304,7 +1307,6 @@ static int pn533_in_dep_link_up_complete(struct pn533 *dev, void *arg,
}
resp = (struct pn533_cmd_jump_dep_response *) params;
cmd = (struct pn533_cmd_jump_dep *) arg;
rc = resp->status & PN533_CMD_RET_MASK;
if (rc != PN533_CMD_RET_SUCCESS) {
nfc_dev_err(&dev->interface->dev,
@ -1334,7 +1336,7 @@ static int pn533_in_dep_link_up_complete(struct pn533 *dev, void *arg,
if (rc == 0)
rc = nfc_dep_link_is_up(dev->nfc_dev,
dev->nfc_dev->targets[0].idx,
!cmd->active, NFC_RF_INITIATOR);
!active, NFC_RF_INITIATOR);
return 0;
}