dma-direct: rename ret to cpu_addr in alloc helpers

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ret in dma_direct_alloc() and dma_direct_alloc_pages() holds the returned
CPU mapping, not a generic return value. Rename it to cpu_addr and update
the remaining uses to match.

This makes the allocation paths easier to follow and keeps the local naming
consistent with what the variable actually represents.

Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Tested-by: Michael Kelley <mhklinux@outlook.com>
Tested-by: Mostafa Saleh <smostafa@google.com>
Reviewed-by: Petr Tesarik <ptesarik@suse.com>
Signed-off-by: Aneesh Kumar K.V (Arm) <aneesh.kumar@kernel.org>
Link: https://lore.kernel.org/r/20260717180442.110954-21-aneesh.kumar@kernel.org
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>

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Aneesh Kumar K.V (Arm) 2026-07-17 23:34:38 +05:30 • committed by Marek Szyprowski

parent fd01136e25

commit 63e62b63e8

1 changed files with 20 additions and 20 deletions

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kernel/dma/direct.c

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