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author | Axel Lin <axel.lin@gmail.com> | 2011-05-14 08:15:36 +0200 |
---|---|---|
committer | Samuel Ortiz <sameo@linux.intel.com> | 2011-05-26 19:45:50 +0200 |
commit | d910774f13678caf68fc9cbbef325f08f7f951a3 (patch) | |
tree | bfe5198e0bffeef1f35fe5dade2fc48bc8c9eba8 /drivers/mfd/omap-usb-host.c | |
parent | mfd: Fix omap usbhs crash when rmmoding ehci or ohci (diff) | |
download | linux-d910774f13678caf68fc9cbbef325f08f7f951a3.tar.xz linux-d910774f13678caf68fc9cbbef325f08f7f951a3.zip |
mfd: Fix omap_usbhs_alloc_children error handling
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>
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Tested-by: Keshava Munegowda <keshava_mgowda@ti.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'drivers/mfd/omap-usb-host.c')
-rw-r--r-- | 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 55c5d4732f5f..1717144fe7f4 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; |