[PATCH] staging: ralink-gdma: Check return code of device_reset

From: Giovanni Gherdovich
Date: Sat Mar 06 2021 - 09:18:24 EST


The device_reset() function is marked as "__must_check", thus the static
analysis tool "sparse" complains that in ralink-gdma its return value is
ignored. Log a warning in case it returns an error.

Signed-off-by: Giovanni Gherdovich <bobdc9664@xxxxxxxxx>
---
drivers/staging/ralink-gdma/ralink-gdma.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/ralink-gdma/ralink-gdma.c b/drivers/staging/ralink-gdma/ralink-gdma.c
index 655df317d0ee..3c26b665ee7c 100644
--- a/drivers/staging/ralink-gdma/ralink-gdma.c
+++ b/drivers/staging/ralink-gdma/ralink-gdma.c
@@ -833,7 +833,9 @@ static int gdma_dma_probe(struct platform_device *pdev)
return ret;
}

- device_reset(&pdev->dev);
+ ret = device_reset(&pdev->dev);
+ if (ret)
+ dev_err(&pdev->dev, "failed to reset: %d\n", ret);

dd = &dma_dev->ddev;
dma_cap_set(DMA_MEMCPY, dd->cap_mask);
--
2.26.2