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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 09:54:10 +0000 (11:54 +0200)
commit47d281bbbff9c7167332bea79bcedc08f863b02f
tree04138d7381ebcb3af2b89ca24facb69223ce0667tree | snapshot
parentb5a185ee30d7ffe936c9a713779e7e7f05df441ccommit | 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
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git