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* [PATCH] mfd: Fix omap_usbhs_alloc_children error handling
@ 2011-05-14  6:15 Axel Lin
  2011-05-16 11:03 ` Munegowda, Keshava
  2011-05-22 19:09 ` Samuel Ortiz
  0 siblings, 2 replies; 4+ messages in thread
From: Axel Lin @ 2011-05-14  6:15 UTC (permalink / raw)
  To: linux-kernel; +Cc: Keshava Munegowda, Felipe Balbi, Samuel Ortiz

1. Return proper error if omap_usbhs_alloc_child fails
2. In the case of goto err_ehci, we should call platform_device_unregister(ehci)
   instead of platform_device_put(ehci) because we have already added the
   platform device to device hierarchy.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
---
 drivers/mfd/omap-usb-host.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/drivers/mfd/omap-usb-host.c b/drivers/mfd/omap-usb-host.c
index 3ab9ffa..344f518 100644
--- a/drivers/mfd/omap-usb-host.c
+++ b/drivers/mfd/omap-usb-host.c
@@ -281,6 +281,7 @@ static int omap_usbhs_alloc_children(struct platform_device *pdev)
 
 	if (!ehci) {
 		dev_err(dev, "omap_usbhs_alloc_child failed\n");
+		ret = -ENOMEM;
 		goto err_end;
 	}
 
@@ -304,13 +305,14 @@ static int omap_usbhs_alloc_children(struct platform_device *pdev)
 		sizeof(*ohci_data), dev);
 	if (!ohci) {
 		dev_err(dev, "omap_usbhs_alloc_child failed\n");
+		ret = -ENOMEM;
 		goto err_ehci;
 	}
 
 	return 0;
 
 err_ehci:
-	platform_device_put(ehci);
+	platform_device_unregister(ehci);
 
 err_end:
 	return ret;
-- 
1.7.1




^ permalink raw reply related	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2011-05-22 19:09 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2011-05-14  6:15 [PATCH] mfd: Fix omap_usbhs_alloc_children error handling Axel Lin
2011-05-16 11:03 ` Munegowda, Keshava
2011-05-16 11:12   ` Felipe Balbi
2011-05-22 19:09 ` Samuel Ortiz

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