linux-kernel - [PATCH] mmc: sdhci-pci: simplify error handling

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Date:	Sat, 03 Dec 2011 15:28:05 +0800
From:	Axel Lin <axel.lin@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	Chris Ball <cjb@...top.org>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Takashi Iwai <tiwai@...e.de>, linux-mmc@...r.kernel.org
Subject: [PATCH] mmc: sdhci-pci: simplify error handling

Signed-off-by: Axel Lin <axel.lin@...il.com>
---
 drivers/mmc/host/sdhci-pci.c |   38 ++++++++++++++++++--------------------
 1 files changed, 18 insertions(+), 20 deletions(-)

diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c
index 6878a94..d2e77fb 100644
--- a/drivers/mmc/host/sdhci-pci.c
+++ b/drivers/mmc/host/sdhci-pci.c
@@ -1012,11 +1012,8 @@ static int sdhci_pci_suspend(struct device *dev)
 
 		ret = sdhci_suspend_host(slot->host);
 
-		if (ret) {
-			for (i--; i >= 0; i--)
-				sdhci_resume_host(chip->slots[i]->host);
-			return ret;
-		}
+		if (ret)
+			goto err_pci_suspend;
 
 		slot_pm_flags = slot->host->mmc->pm_flags;
 		if (slot_pm_flags & MMC_PM_WAKE_SDIO_IRQ)
@@ -1027,11 +1024,8 @@ static int sdhci_pci_suspend(struct device *dev)
 
 	if (chip->fixes && chip->fixes->suspend) {
 		ret = chip->fixes->suspend(chip);
-		if (ret) {
-			for (i = chip->num_slots - 1; i >= 0; i--)
-				sdhci_resume_host(chip->slots[i]->host);
-			return ret;
-		}
+		if (ret)
+			goto err_pci_suspend;
 	}
 
 	pci_save_state(pdev);
@@ -1048,6 +1042,11 @@ static int sdhci_pci_suspend(struct device *dev)
 	}
 
 	return 0;
+
+err_pci_suspend:
+	while (--i >= 0)
+		sdhci_resume_host(chip->slots[i]->host);
+	return ret;
 }
 
 static int sdhci_pci_resume(struct device *dev)
@@ -1113,23 +1112,22 @@ static int sdhci_pci_runtime_suspend(struct device *dev)
 
 		ret = sdhci_runtime_suspend_host(slot->host);
 
-		if (ret) {
-			for (i--; i >= 0; i--)
-				sdhci_runtime_resume_host(chip->slots[i]->host);
-			return ret;
-		}
+		if (ret)
+			goto err_pci_runtime_suspend;
 	}
 
 	if (chip->fixes && chip->fixes->suspend) {
 		ret = chip->fixes->suspend(chip);
-		if (ret) {
-			for (i = chip->num_slots - 1; i >= 0; i--)
-				sdhci_runtime_resume_host(chip->slots[i]->host);
-			return ret;
-		}
+		if (ret)
+			goto err_pci_runtime_suspend;
 	}
 
 	return 0;
+
+err_pci_runtime_suspend:
+	while (--i >= 0)
+		sdhci_runtime_resume_host(chip->slots[i]->host);
+	return ret;
 }
 
 static int sdhci_pci_runtime_resume(struct device *dev)
-- 
1.7.5.4



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