* [PATCH] ata: ahci_platform: fix devm_ioremap_resource() return value checking
@ 2014-03-14 17:22 Bartlomiej Zolnierkiewicz
2014-03-14 18:30 ` Tejun Heo
0 siblings, 1 reply; 2+ messages in thread
From: Bartlomiej Zolnierkiewicz @ 2014-03-14 17:22 UTC (permalink / raw)
To: linux-arm-kernel
devm_ioremap_resource() returns a pointer to the remapped memory or
an ERR_PTR() encoded error code on failure. Fix the check inside
ahci_platform_get_resources() accordingly.
Also while at it remove a needless line break.
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
---
Compile tested only.
drivers/ata/ahci_platform.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
Index: b/drivers/ata/ahci_platform.c
===================================================================
--- a/drivers/ata/ahci_platform.c 2014-03-14 16:45:04.056724383 +0100
+++ b/drivers/ata/ahci_platform.c 2014-03-14 17:54:12.504653647 +0100
@@ -199,8 +199,7 @@ static void ahci_platform_put_resources(
* RETURNS:
* The allocated ahci_host_priv on success, otherwise an ERR_PTR value
*/
-struct ahci_host_priv *ahci_platform_get_resources(
- struct platform_device *pdev)
+struct ahci_host_priv *ahci_platform_get_resources(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct ahci_host_priv *hpriv;
@@ -219,8 +218,9 @@ struct ahci_host_priv *ahci_platform_get
hpriv->mmio = devm_ioremap_resource(dev,
platform_get_resource(pdev, IORESOURCE_MEM, 0));
- if (!hpriv->mmio) {
+ if (IS_ERR(hpriv->mmio)) {
dev_err(dev, "no mmio space\n");
+ rc = PTR_ERR(hpriv->mmio);
goto err_out;
}
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2014-03-14 18:30 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2014-03-14 17:22 [PATCH] ata: ahci_platform: fix devm_ioremap_resource() return value checking Bartlomiej Zolnierkiewicz
2014-03-14 18:30 ` Tejun Heo
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).