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| author | David S. Miller <davem@davemloft.net> | 2020-07-31 15:11:52 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-07-31 15:11:52 -0700 |
| commit | 4bb540dbe442ec5e4b48af8aed12663e0754bbe2 (patch) | |
| tree | a641506cb5aac389bb3c9f2d6042ce53cfb6732c /net/bluetooth/6lowpan.c | |
| parent | bd69058f50d5ffa659423bcfa6fe6280ce9c760a (diff) | |
| parent | 075f77324f90149bac12c8a705dae5786a1d24fb (diff) | |
| download | linux-4bb540dbe442ec5e4b48af8aed12663e0754bbe2.tar.gz linux-4bb540dbe442ec5e4b48af8aed12663e0754bbe2.tar.bz2 linux-4bb540dbe442ec5e4b48af8aed12663e0754bbe2.zip | |
Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next
Johan Hedberg says:
====================
pull request: bluetooth-next 2020-07-31
Here's the main bluetooth-next pull request for 5.9:
- Fix firmware filenames for Marvell chipsets
- Several suspend-related fixes
- Addedd mgmt commands for runtime configuration
- Multiple fixes for Qualcomm-based controllers
- Add new monitoring feature for mgmt
- Fix handling of legacy cipher (E4) together with security level 4
- Add support for Realtek 8822CE controller
- Fix issues with Chinese controllers using fake VID/PID values
- Multiple other smaller fixes & improvements
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/bluetooth/6lowpan.c')
| -rw-r--r-- | net/bluetooth/6lowpan.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/net/bluetooth/6lowpan.c b/net/bluetooth/6lowpan.c index bb55d92691b0..cff4944d5b66 100644 --- a/net/bluetooth/6lowpan.c +++ b/net/bluetooth/6lowpan.c @@ -50,6 +50,7 @@ static bool enable_6lowpan; /* We are listening incoming connections via this channel */ static struct l2cap_chan *listen_chan; +static DEFINE_MUTEX(set_lock); struct lowpan_peer { struct list_head list; @@ -1078,12 +1079,14 @@ static void do_enable_set(struct work_struct *work) enable_6lowpan = set_enable->flag; + mutex_lock(&set_lock); if (listen_chan) { l2cap_chan_close(listen_chan, 0); l2cap_chan_put(listen_chan); } listen_chan = bt_6lowpan_listen(); + mutex_unlock(&set_lock); kfree(set_enable); } @@ -1135,11 +1138,13 @@ static ssize_t lowpan_control_write(struct file *fp, if (ret == -EINVAL) return ret; + mutex_lock(&set_lock); if (listen_chan) { l2cap_chan_close(listen_chan, 0); l2cap_chan_put(listen_chan); listen_chan = NULL; } + mutex_unlock(&set_lock); if (conn) { struct lowpan_peer *peer; |