diff options
| author | Manoj Prabhu B <bmanoj@codeaurora.org> | 2016-09-28 18:48:38 +0530 |
|---|---|---|
| committer | Manoj Prabhu B <bmanoj@codeaurora.org> | 2016-11-02 19:43:35 +0530 |
| commit | f139281b60ad455a948479913c469cab40e757be (patch) | |
| tree | 54608eb46bbcf2e170097c7eff4911bb5bf31e15 | |
| parent | b7b9ec64a7116232e7011ac047b710367a4fa12f (diff) | |
diag: Fix race condition while closing SMD
This patch extends protection while closing SMD/socket while
feature mask processing.
CRs-Fixed: 1059771
Change-Id: Icdf27dce5b3eb7cfc4a7686f044195db13a81a58
Signed-off-by: Manoj Prabhu B <bmanoj@codeaurora.org>
| -rw-r--r-- | drivers/char/diag/diagfwd_peripheral.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/char/diag/diagfwd_peripheral.c b/drivers/char/diag/diagfwd_peripheral.c index 731b42c56998..40fdcbaaf31a 100644 --- a/drivers/char/diag/diagfwd_peripheral.c +++ b/drivers/char/diag/diagfwd_peripheral.c @@ -651,13 +651,12 @@ void diagfwd_close_transport(uint8_t transport, uint8_t peripheral) break; default: return; - } + mutex_lock(&driver->diagfwd_channel_mutex); fwd_info = &early_init_info[transport][peripheral]; if (fwd_info->p_ops && fwd_info->p_ops->close) fwd_info->p_ops->close(fwd_info->ctxt); - mutex_lock(&driver->diagfwd_channel_mutex); fwd_info = &early_init_info[transport_open][peripheral]; dest_info = &peripheral_info[TYPE_CNTL][peripheral]; dest_info->inited = 1; |