diff options
| author | Madhuparna Bhowmik <madhuparnabhowmik10@gmail.com> | 2020-04-16 11:53:35 +0530 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2020-04-23 11:47:16 +0530 |
| commit | 2e45676a4d33af47259fa186ea039122ce263ba9 (patch) | |
| tree | 8bba529dc1a9fe11ed8d4760e3a75e421092678f /drivers/dma/mmp_tdma.c | |
| parent | aee45dba3ad9c87affa95e50747fbb82ff4b2e20 (diff) | |
dmaengine: pch_dma.c: Avoid data race between probe and irq handler
pd->dma.dev is read in irq handler pd_irq().
However, it is set to pdev->dev after request_irq().
Therefore, set pd->dma.dev to pdev->dev before request_irq() to
avoid data race between pch_dma_probe() and pd_irq().
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Madhuparna Bhowmik <madhuparnabhowmik10@gmail.com>
Link: https://lore.kernel.org/r/20200416062335.29223-1-madhuparnabhowmik10@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma/mmp_tdma.c')
0 files changed, 0 insertions, 0 deletions