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wifi: ath12k: fix dma_free_coherent() pointer

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dma_alloc_coherent() allocates a DMA mapped buffer and stores the
addresses in XXX_unaligned fields.  Those should be reused when freeing
the buffer rather than the aligned addresses.

Fixes: d889913205 ("wifi: ath12k: driver for Qualcomm Wi-Fi 7 devices")
Cc: stable@vger.kernel.org
Signed-off-by: Thomas Fourier <fourier.thomas@gmail.com>
Reviewed-by: Baochen Qiang <baochen.qiang@oss.qualcomm.com>
Link: https://patch.msgid.link/20260106084905.18622-2-fourier.thomas@gmail.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
This commit is contained in:
Thomas Fourier
2026-01-06 09:49:04 +01:00
committed by Jeff Johnson
parent 9282a1e171
commit bb97131fbf
1 changed files with 6 additions and 6 deletions
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12
drivers/net/wireless/ath/ath12k/ce.c
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@@ -984,8 +984,8 @@ void ath12k_ce_free_pipes(struct ath12k_base *ab)
dma_free_coherent(ab->dev,
pipe->src_ring->nentries * desc_sz +
CE_DESC_RING_ALIGN,
pipe->src_ring->base_addr_owner_space,
pipe->src_ring->base_addr_ce_space);
pipe->src_ring->base_addr_owner_space_unaligned,
pipe->src_ring->base_addr_ce_space_unaligned);
kfree(pipe->src_ring);
pipe->src_ring = NULL;
}
@@ -995,8 +995,8 @@ void ath12k_ce_free_pipes(struct ath12k_base *ab)
dma_free_coherent(ab->dev,
pipe->dest_ring->nentries * desc_sz +
CE_DESC_RING_ALIGN,
pipe->dest_ring->base_addr_owner_space,
pipe->dest_ring->base_addr_ce_space);
pipe->dest_ring->base_addr_owner_space_unaligned,
pipe->dest_ring->base_addr_ce_space_unaligned);
kfree(pipe->dest_ring);
pipe->dest_ring = NULL;
}
@@ -1007,8 +1007,8 @@ void ath12k_ce_free_pipes(struct ath12k_base *ab)
dma_free_coherent(ab->dev,
pipe->status_ring->nentries * desc_sz +
CE_DESC_RING_ALIGN,
pipe->status_ring->base_addr_owner_space,
pipe->status_ring->base_addr_ce_space);
pipe->status_ring->base_addr_owner_space_unaligned,
pipe->status_ring->base_addr_ce_space_unaligned);
kfree(pipe->status_ring);
pipe->status_ring = NULL;
}