mmc: sdhci: move initialisation of command error member

When a command is started, logically it has no error.  Initialise the
command's error member to zero whenever we start a command.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
[ Goes with "mmc: sdhci: fix command response CRC error handling" ]
Cc: stable@vger.kernel.org # v4.5+
Tested-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

drivers/mmc/host/sdhci.c

@@ -1003,6 +1003,9 @@ void sdhci_send_command(struct sdhci_host *host, struct mmc_command *cmd)
 
 	WARN_ON(host->cmd);
 
+	/* Initially, a command has no error */
+	cmd->error = 0;
+
 	/* Wait max 10 ms */
 	timeout = 10;
 
@@ -1097,8 +1100,6 @@ static void sdhci_finish_command(struct sdhci_host *host)
 		}
 	}
 
-	host->cmd->error = 0;
-
 	/* Finished CMD23, now send actual command. */
 	if (host->cmd == host->mrq->sbc) {
 		host->cmd = NULL;