The driver calls ehci_mem_init to allocate memory resources. 
But these resources are not freed when ehci_halt fails.

This patch adds "ehci_mem_cleanup" in error handling code to fix this problem.

Signed-off-by: Jia-Ju Bai <baijiaju1...@163.com>
---
 drivers/usb/host/ehci-hcd.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 48c92bf..015b411 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -675,8 +675,10 @@ int ehci_setup(struct usb_hcd *hcd)
                return retval;
 
        retval = ehci_halt(ehci);
-       if (retval)
+       if (retval) {
+               ehci_mem_cleanup(ehci);
                return retval;
+       }
 
        ehci_reset(ehci);
 
-- 
1.7.9.5


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to