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authorstephen hemminger <stephen@networkplumber.org>2017-02-07 08:46:46 -0800
committerDavid S. Miller <davem@davemloft.net>2017-02-07 14:16:05 -0500
commitca6d4480f87db9d9470d3d7bbe445953fa105e57 (patch)
treed72ac5c90c2b1ea913b528a7425db874d70c270c /include/scsi/iscsi_if.h
parent9bcdef3288f2f4d8b05d522128198fdcb3f07885 (diff)
bridge: avoid unnecessary read of jiffies
Jiffies is volatile so read it once. Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com> Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/scsi/iscsi_if.h')
0 files changed, 0 insertions, 0 deletions
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2025-04-06 10:49:59 +0000
t Ports originated PCIe hierarchies, but we treated PCI/PCI-X to PCIe Bridges as being in the middle of the hierarchy, and when we tried to copy the pointer from link->parent->root, there was no parent, and we dereferenced a NULL pointer: BUG: unable to handle kernel NULL pointer dereference at 0000000000000090 IP: [<ffffffff9e424350>] pcie_aspm_init_link_state+0x170/0x820 Recognize that PCI/PCI-X to PCIe Bridges originate PCIe hierarchies just like Root Ports do, so link->root for these devices should also point to itself. Fixes: 51ebfc92b72b ("PCI: Enumerate switches below PCI-to-PCIe bridges") Link: https://bugzilla.kernel.org/show_bug.cgi?id=193411 Link: https://bugzilla.opensuse.org/show_bug.cgi?id=1022181 Tested-by: lists@ssl-mail.com Tested-by: Jayachandran C. <jnair@caviumnetworks.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> CC: stable@vger.kernel.org # v4.2+
Diffstat (limited to 'include/net/rtnetlink.h')