[PATCH v5] mtd: rawnand: qcom: Unmap the right resource upon probe failure

[Bibek Kumar Patro]

We currently provide the physical address of the DMA region
rather than the output of dma_map_resource() which is obviously wrong.

Fixes: 7330fc505af4 ("mtd: rawnand: qcom: stop using phys_to_dma()")
Cc: stable@xxxxxxxxxxxxxxx
Reviewed-by: Manivannan Sadhasivam <mani@xxxxxxxxxx>
Signed-off-by: Bibek Kumar Patro <quic_bibekkum@xxxxxxxxxxx>
---
v5: Incorporated suggestions from Miquel/Mani
    - Added tag to automatically include this patch in stable tree.

v4: Incorporated suggestion from Miquel
    - Modified title and commit description.
    https://lore.kernel.org/all/20230912115903.1007-1-quic_bibekkum@xxxxxxxxxxx/

v3: Incorporated comments from Miquel
    - Modified the commit message and title as per suggestions.
    https://lore.kernel.org/all/20230912101814.7748-1-quic_bibekkum@xxxxxxxxxxx/

v2: Incorporated comments from Pavan/Mani.
    https://lore.kernel.org/all/20230911133026.29868-1-quic_bibekkum@xxxxxxxxxxx/

v1: https://lore.kernel.org/all/20230907092854.11408-1-quic_bibekkum@xxxxxxxxxxx/

 drivers/mtd/nand/raw/qcom_nandc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/nand/raw/qcom_nandc.c b/drivers/mtd/nand/raw/qcom_nandc.c
index 64499c1b3603..b079605c84d3 100644
--- a/drivers/mtd/nand/raw/qcom_nandc.c
+++ b/drivers/mtd/nand/raw/qcom_nandc.c
@@ -3444,7 +3444,7 @@ static int qcom_nandc_probe(struct platform_device *pdev)
 err_aon_clk:
 	clk_disable_unprepare(nandc->core_clk);
 err_core_clk:
-	dma_unmap_resource(dev, res->start, resource_size(res),
+	dma_unmap_resource(dev, nandc->base_dma, resource_size(res),
 			   DMA_BIDIRECTIONAL, 0);
 	return ret;
 }
--
2.17.1