Messages in this thread Patch in this message | | | From | Sasha Levin <> | Subject | [PATCH AUTOSEL 6.1 41/47] ata: pata_arasan_cf: Use dev_err_probe() instead dev_err() in data_xfer() | Date | Sun, 13 Aug 2023 11:59:36 -0400 |
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From: Minjie Du <duminjie@vivo.com>
[ Upstream commit 4139f992c49356391fb086c0c8ce51f66c26d623 ]
It is possible for dma_request_chan() to return EPROBE_DEFER, which means acdev->host->dev is not ready yet. At this point dev_err() will have no output. Use dev_err_probe() instead.
Signed-off-by: Minjie Du <duminjie@vivo.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru> Signed-off-by: Damien Le Moal <dlemoal@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/ata/pata_arasan_cf.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/ata/pata_arasan_cf.c b/drivers/ata/pata_arasan_cf.c index e89617ed9175b..46588fc829432 100644 --- a/drivers/ata/pata_arasan_cf.c +++ b/drivers/ata/pata_arasan_cf.c @@ -529,7 +529,8 @@ static void data_xfer(struct work_struct *work) /* dma_request_channel may sleep, so calling from process context */ acdev->dma_chan = dma_request_chan(acdev->host->dev, "data"); if (IS_ERR(acdev->dma_chan)) { - dev_err(acdev->host->dev, "Unable to get dma_chan\n"); + dev_err_probe(acdev->host->dev, PTR_ERR(acdev->dma_chan), + "Unable to get dma_chan\n"); acdev->dma_chan = NULL; goto chan_request_fail; } -- 2.40.1
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