dmaengine: Revert "dmaengine: shdma: Fix runtime PM imbalance on error"

stable inclusion
from stable-v5.10.111
commit 03b39bbbec8becbecde5d3f84a352633c8f2f49b
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I5GL1Z

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=03b39bbbec8becbecde5d3f84a352633c8f2f49b

--------------------------------

commit d143f939 upstream.

This reverts commit 455896c5 ("dmaengine: shdma: Fix runtime PM
imbalance on error") as the patch wrongly reduced the count on error and
did not bail out. So drop the count by reverting the patch .
Signed-off-by: NVinod Koul <vkoul@kernel.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>
Reviewed-by: NWei Li <liwei391@huawei.com>

drivers/dma/sh/shdma-base.c

@@ -115,10 +115,8 @@ static dma_cookie_t shdma_tx_submit(struct dma_async_tx_descriptor *tx)
 		ret = pm_runtime_get(schan->dev);
 
 		spin_unlock_irq(&schan->chan_lock);
-		if (ret < 0) {
+		if (ret < 0)
 			dev_err(schan->dev, "%s(): GET = %d\n", __func__, ret);
-			pm_runtime_put(schan->dev);
-		}
 
 		pm_runtime_barrier(schan->dev);