Commit 455896c5 authored by Yongzhi Liu's avatar Yongzhi Liu Committed by Vinod Koul

dmaengine: shdma: Fix runtime PM imbalance on error

pm_runtime_get_() increments the runtime PM usage counter even
when it returns an error code, thus a matching decrement is needed on
the error handling path to keep the counter balanced.
Signed-off-by: default avatarYongzhi Liu <lyz_cs@pku.edu.cn>
Link: https://lore.kernel.org/r/1642311296-87020-1-git-send-email-lyz_cs@pku.edu.cnSigned-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent da2ad87f
...@@ -115,8 +115,10 @@ static dma_cookie_t shdma_tx_submit(struct dma_async_tx_descriptor *tx) ...@@ -115,8 +115,10 @@ static dma_cookie_t shdma_tx_submit(struct dma_async_tx_descriptor *tx)
ret = pm_runtime_get(schan->dev); ret = pm_runtime_get(schan->dev);
spin_unlock_irq(&schan->chan_lock); spin_unlock_irq(&schan->chan_lock);
if (ret < 0) if (ret < 0) {
dev_err(schan->dev, "%s(): GET = %d\n", __func__, ret); dev_err(schan->dev, "%s(): GET = %d\n", __func__, ret);
pm_runtime_put(schan->dev);
}
pm_runtime_barrier(schan->dev); pm_runtime_barrier(schan->dev);
......
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