[PATCH] mtd: rawnand: lpx32xx: Fix dma_request_chan() error checks

[Miquel Raynal]

Hi Piotr,

piotr.wojtaszczyk at timesys.com wrote on Fri,  5 Jul 2024 11:38:47 +0200:

> The dma_request_chan() returns error pointer in case of error, while
> dma_request_channel() returns NULL in case of error therefore different
> error checks are needed for the two.
> 
> Fixes: 7326d3fb1ee3 ("mtd: rawnand: lpx32xx: Request DMA channels
> using DT entries")

Pleae don't split the commit title over two lines.

Missing: Cc: stable.

> Signed-off-by: Piotr Wojtaszczyk <piotr.wojtaszczyk at timesys.com>

Thanks,
Miquèl