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authorJohn W. Linville <linville@tuxdriver.com>2012-11-20 13:08:14 -0500
committerJohn W. Linville <linville@tuxdriver.com>2012-11-20 13:08:14 -0500
commit400e020892a9a20eea5d2c9bce8bfb312075c4ba (patch)
treeab0fd2f2f58146a2c26d1ee415917b006577bdd0 /drivers
parent65210946f31007d12efcf66586fdcaf6ff3fa8f9 (diff)
parent5b412fd11c918171c98a253d8a3484afa9f69ca5 (diff)
downloadvexpress-lsk-400e020892a9a20eea5d2c9bce8bfb312075c4ba.tar.gz
Merge tag 'nfc-fixes-3.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/nfc-3.0
Samuel says: "This is the first pull request for 3.7 NFC fixes. We mostly have pn533 fixes here, 2 memory leaks and an early unlocking fix. Moreover, we also have an LLCP adapter linked list insertion fix." Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/nfc/pn533.c25
1 files changed, 14 insertions, 11 deletions
diff --git a/drivers/nfc/pn533.c b/drivers/nfc/pn533.c
index 97c440a8cd6..30ae18a03a9 100644
--- a/drivers/nfc/pn533.c
+++ b/drivers/nfc/pn533.c
@@ -698,13 +698,14 @@ static void pn533_wq_cmd(struct work_struct *work)
cmd = list_first_entry(&dev->cmd_queue, struct pn533_cmd, queue);
+ list_del(&cmd->queue);
+
mutex_unlock(&dev->cmd_lock);
__pn533_send_cmd_frame_async(dev, cmd->out_frame, cmd->in_frame,
cmd->in_frame_len, cmd->cmd_complete,
cmd->arg, cmd->flags);
- list_del(&cmd->queue);
kfree(cmd);
}
@@ -1678,11 +1679,14 @@ static void pn533_deactivate_target(struct nfc_dev *nfc_dev,
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, "");
@@ -1704,7 +1708,6 @@ 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,
@@ -1734,7 +1737,7 @@ 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;
}
@@ -1819,12 +1822,8 @@ static int pn533_dep_link_up(struct nfc_dev *nfc_dev, struct nfc_target *target,
rc = pn533_send_cmd_frame_async(dev, dev->out_frame, dev->in_frame,
dev->in_maxlen, pn533_in_dep_link_up_complete,
cmd, GFP_KERNEL);
- if (rc)
- goto out;
-
-
-out:
- kfree(cmd);
+ if (rc < 0)
+ kfree(cmd);
return rc;
}
@@ -2078,8 +2077,12 @@ 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",
@@ -2117,7 +2120,7 @@ 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);