drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c · 820f5ce999d2f99961e88c16d65cd26764df0590 · Kirill Smelkov / linux

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Ben Dooks authored Jul 08, 2022

If the channel has no descriptor and the interrupt is raised then the
kernel will OOPS. Check the result of vchan_next_desc() in the handler
axi_chan_block_xfer_complete() to avoid the error happening.
Signed-off-by: Ben Dooks <ben.dooks@sifive.com>
Link: https://lore.kernel.org/r/20220708170153.269991-4-ben.dooks@sifive.com

Signed-off-by: Vinod Koul <vkoul@kernel.org>

820f5ce9

dw-axi-dmac-platform.c 40.2 KB