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authorSarah Sharp <sarah.a.sharp@linux.intel.com>2009-11-04 11:22:19 -0800
committerGreg Kroah-Hartman <gregkh@suse.de>2009-12-08 10:21:31 -0800
commitee003b24971b5d4015f01eb5f90cb204ed42afb4 (patch)
treebff6eee8e5719d6059de6014a598216fa003de0d /drivers
parent03a3cf4a7ac175a511a4d9d89a6b2e9eefbb73fe (diff)
USB: xhci: Fix scratchpad deallocation.
commit 5294bea40666db5c5d6c336b8e4e55d69fa576ca upstream. The scratchpad_free() function uses xhci->page_size to free some memory with pci_free_consistent(). However, the page_size is set to zero before the call, causing kernel oopses on driver unload. Call scratchpad_free() before setting xhci->page_size to zero. Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com> Acked-by: John Youn <John.Youn@synopsys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/usb/host/xhci-mem.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index 71126c75b1aa..21146486fdb2 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -797,9 +797,9 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci)
xhci->dcbaa, xhci->dcbaa->dma);
xhci->dcbaa = NULL;
+ scratchpad_free(xhci);
xhci->page_size = 0;
xhci->page_shift = 0;
- scratchpad_free(xhci);
}
int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags)