> Hi Thierry and Akhil, > > On Mon, Jul 17, 2023 at 05:24:15PM +0200, Thierry Reding wrote: > > On Mon, Jul 17, 2023 at 08:42:40PM +0530, Akhil R wrote: > > > Check for error and NULL before attempting to release DMA channel. > > > > > > This, otherwise, was causing panic and crash in kernel when the > > > dma_chan has an invalid value. The condition occurs during > > > init_dma() when the dma_request_chan() function returns an error. > > > > > > Fixes: fcc8a89a1c83 ("i2c: tegra: Share same DMA channel for RX and > > > TX") > > > Signed-off-by: Akhil R <akhilrajeev@xxxxxxxxxx> > > > --- > > > drivers/i2c/busses/i2c-tegra.c | 2 +- > > > 1 file changed, 1 insertion(+), 1 deletion(-) > > I guess this patch is not needed anymore. Correct. This can be discarded. The below patch from Thierry is for the same fix. https://lore.kernel.org/linux-i2c/20230707132619.2998382-1-thierry.reding@xxxxxxxxx/ Regards, Akhil