Re: [PATCH] mtd: rawnand: atmel: Unmap streaming DMA mappings

On Thu, 2022-07-28 at 07:40:14 UTC, Tudor Ambarus wrote:

Every dma_map_single() call should have its dma_unmap_single() counterpart, because the DMA address space is a shared resource and one could render the machine unusable by consuming all DMA addresses.

Cc: stable@vger.kernel.org Fixes: f88fc122cc34 ("mtd: nand: Cleanup/rework the atmel_nand driver") Signed-off-by: Tudor Ambarus tudor.ambarus@microchip.com Acked-by: Alexander Dahl ada@thorsis.com Reported-by: Peter Rosin peda@axentia.se Tested-by: Alexander Dahl ada@thorsis.com Reviewed-by: Boris Brezillon boris.brezillon@collabora.com Tested-by: Peter Rosin peda@axentia.se

Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git nand/next, thanks.

Miquel