dmaengine: mv_xor: Fix missing check after DMA map and missing unmap

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[ Upstream commit 60095aca6b ]

The DMA map functions can fail and should be tested for errors.

In case of error, unmap the already mapped regions.

Fixes: 22843545b2 ("dma: mv_xor: Add support for DMA_INTERRUPT")
Signed-off-by: Thomas Fourier <fourier.thomas@gmail.com>
Link: https://lore.kernel.org/r/20250701123753.46935-2-fourier.thomas@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Thomas Fourier 2025-07-01 14:37:52 +02:00 • committed by Greg Kroah-Hartman

parent 39c4454ed6

commit 2c0b57e55d

1 changed files with 19 additions and 2 deletions

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drivers/dma/mv_xor.c

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