diff options
| author | Jani Nikula <jani.nikula@intel.com> | 2021-08-16 09:11:17 +0300 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2021-08-16 09:11:17 +0300 |
| commit | b2eb7d716426fe056596761cd371005d64e9caec (patch) | |
| tree | 436d0566cf4bc900522c9dbf1e203234ef65b2f7 /drivers/bus/mhi/core/main.c | |
| parent | 2817efaeb608421d8f6fe7939826c35a852644e9 (diff) | |
| parent | 2819cf0e7dbe45a2bccf2f6c60fe6a27b299cc3e (diff) | |
| download | linux-b2eb7d716426fe056596761cd371005d64e9caec.tar.xz | |
Merge drm/drm-next into drm-intel-next
Catch up with drm core changes.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'drivers/bus/mhi/core/main.c')
| -rw-r--r-- | drivers/bus/mhi/core/main.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/drivers/bus/mhi/core/main.c b/drivers/bus/mhi/core/main.c index 22acde118bc3..fc9196f11cb7 100644 --- a/drivers/bus/mhi/core/main.c +++ b/drivers/bus/mhi/core/main.c @@ -773,11 +773,18 @@ static void mhi_process_cmd_completion(struct mhi_controller *mhi_cntrl, cmd_pkt = mhi_to_virtual(mhi_ring, ptr); chan = MHI_TRE_GET_CMD_CHID(cmd_pkt); - mhi_chan = &mhi_cntrl->mhi_chan[chan]; - write_lock_bh(&mhi_chan->lock); - mhi_chan->ccs = MHI_TRE_GET_EV_CODE(tre); - complete(&mhi_chan->completion); - write_unlock_bh(&mhi_chan->lock); + + if (chan < mhi_cntrl->max_chan && + mhi_cntrl->mhi_chan[chan].configured) { + mhi_chan = &mhi_cntrl->mhi_chan[chan]; + write_lock_bh(&mhi_chan->lock); + mhi_chan->ccs = MHI_TRE_GET_EV_CODE(tre); + complete(&mhi_chan->completion); + write_unlock_bh(&mhi_chan->lock); + } else { + dev_err(&mhi_cntrl->mhi_dev->dev, + "Completion packet for invalid channel ID: %d\n", chan); + } mhi_del_ring_element(mhi_cntrl, mhi_ring); } |