USB: xhci: Fix bug memory free after failed initialization.

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If the xHCI driver fails during the memory initialization, xhci->ir_set
may not be a valid pointer.  Check that it points to valid DMA'able memory
before writing to that address during the memory freeing process.

Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

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Sarah Sharp 2009-11-03 22:02:22 -08:00 • committed by Greg Kroah-Hartman

parent 051522bb47

commit d94c05e33d

1 changed files with 5 additions and 3 deletions

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drivers/usb/host/xhci-mem.c

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