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PCI: xilinx: Check for __get_free_pages() failure
authorKangjie Lu <kjlu@umn.edu>
Mon, 25 Mar 2019 22:19:09 +0000 (17:19 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 15 Jun 2019 09:53:04 +0000 (11:53 +0200)
commitdc73a38014e4a8c4d3f4b0e6aa74c9634978caef
tree5d98e505f5dcd883a7382e89261bb63b2991c9d7tree | snapshot
parent404ee275baec931a5c405c99dedc5abf6bb1d342commit | diff
PCI: xilinx: Check for __get_free_pages() failure

[ Upstream commit 699ca30162686bf305cdf94861be02eb0cf9bda2 ]

If __get_free_pages() fails, return -ENOMEM to avoid a NULL pointer
dereference.

Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Steven Price <steven.price@arm.com>
Reviewed-by: Mukesh Ojha <mojha@codeaurora.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/pci/controller/pcie-xilinx.c diff | blob | blame | history
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