A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-12 07:37:31 -04:00
Code Issues Projects Releases Packages Wiki Activity

msm: cvp: Avoid NULL pointer dereference

Browse source 
Do not send HFI queue to DSP if the queue is not allocated and
initialized. It could happen after CVP and DSP SSR.

Change-Id: Ia344b63a119ca80d8de9e38ed5ac2585e27c06b3
Signed-off-by: George Shen <sqiao@codeaurora.org>
This commit is contained in:
George Shen 2020-07-09 16:51:25 -07:00
commit dc5360e9eb
1 changed files with 7 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

7
drivers/media/platform/msm/cvp/msm_cvp_dsp.c
View file

@ -480,6 +480,13 @@ void cvp_dsp_send_hfi_queue(void)
mutex_lock(&device->lock);
mutex_lock(&me->lock);
if (!device->dsp_iface_q_table.align_virtual_addr) {
dprintk(CVP_ERR, "%s: DSP HFI queue released\n", __func__);
mutex_unlock(&me->lock);
mutex_unlock(&device->lock);
return;
}
addr = (uint64_t)device->dsp_iface_q_table.mem_data.dma_handle;
size = device->dsp_iface_q_table.mem_data.size;