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PCI: cadence: Fix find_first_zero_bit() limit
[ Upstream commit 0aa3a09 ] The ep->ob_region_map bitmap is a long and it has BITS_PER_LONG bits. Link: https://lore.kernel.org/r/20220315065829.GA13572@kili Fixes: 37dddf1 ("PCI: cadence: Add EndPoint Controller driver for Cadence PCIe controller") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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