linux-kernel - [PATCH 4.5 192/238] mmc: sdhci: clean up command error handling

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Date:	Sun, 10 Apr 2016 11:36:09 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Russell King <rmk+kernel@....linux.org.uk>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Gregory CLEMENT <gregory.clement@...e-electrons.com>,
	Ulf Hansson <ulf.hansson@...aro.org>
Subject: [PATCH 4.5 192/238] mmc: sdhci: clean up command error handling

4.5-stable review patch.  If anyone has any objections, please let me know.

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

From: Russell King <rmk+kernel@....linux.org.uk>

commit ec014cbacf6229c583cb832726ca39be1ae3d8c3 upstream.

Avoid multiple tests while handling a command error; simplify the code.

Signed-off-by: Russell King <rmk+kernel@....linux.org.uk>
Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>
[ Goes with "mmc: sdhci: fix command response CRC error handling" ]
Tested-by: Gregory CLEMENT <gregory.clement@...e-electrons.com>
Signed-off-by: Ulf Hansson <ulf.hansson@...aro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/mmc/host/sdhci.c |   12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -2323,13 +2323,13 @@ static void sdhci_cmd_irq(struct sdhci_h
 		return;
 	}
 
-	if (intmask & SDHCI_INT_TIMEOUT)
-		host->cmd->error = -ETIMEDOUT;
-	else if (intmask & (SDHCI_INT_CRC | SDHCI_INT_END_BIT |
-			SDHCI_INT_INDEX))
-		host->cmd->error = -EILSEQ;
+	if (intmask & (SDHCI_INT_TIMEOUT | SDHCI_INT_CRC |
+		       SDHCI_INT_END_BIT | SDHCI_INT_INDEX)) {
+		if (intmask & SDHCI_INT_TIMEOUT)
+			host->cmd->error = -ETIMEDOUT;
+		else
+			host->cmd->error = -EILSEQ;
 
-	if (host->cmd->error) {
 		tasklet_schedule(&host->finish_tasklet);
 		return;
 	}