FEX-Emu/linux
1
0
Fork 0
mirror of https://github.com/FEX-Emu/linux.git synced 2024-12-28 04:17:47 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

dmaengine: edma: Use vchan_terminate_vdesc() instead of desc_free

Browse Source 
To avoid race with vchan_complete, use the race free way to terminate
running transfer.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Peter Ujfalusi 2017-11-14 16:32:06 +02:00 committed by Vinod Koul
parent b1faf0f564
commit 174334bcd9
1 changed files with 2 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/dma/edma.c
View File

@ -860,11 +860,8 @@ static int edma_terminate_all(struct dma_chan *chan)
/* Move the cyclic channel back to default queue */
if (!echan->tc && echan->edesc->cyclic)
edma_assign_channel_eventq(echan, EVENTQ_DEFAULT);
/*
* free the running request descriptor
* since it is not in any of the vdesc lists
*/
edma_desc_free(&echan->edesc->vdesc);
vchan_terminate_vdesc(&echan->edesc->vdesc);
echan->edesc = NULL;
}