[PATCH] dmaengine: at_xdma: handle errors of at_xdmac_alloc_desc() correctly

[Michael Walle]

Am 2022-05-26 15:51, schrieb Michael Walle:
> It seems that it is valid to have less than the requested number of
> descriptors. But what is not valid and leads to subsequent errors is to
> have zero descriptors. In that case, abort the probing.
> 
> Fixes: e1f7c9eee707 ("dmaengine: at_xdmac: creation of the atmel
> eXtended DMA Controller driver")
> Signed-off-by: Michael Walle <michael at walle.cc>

ping :)