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(parent: 8482d5d) | patch
IB/qib: Fix a possible data corruption when receiving packets
authorRam Vepa <ram.vepa@qlogic.com>
Fri, 23 Dec 2011 13:01:43 +0000 (08:01 -0500)
committerRoland Dreier <roland@purestorage.com>
Wed, 4 Jan 2012 04:53:02 +0000 (20:53 -0800)
commiteddfb675256f49d14e8c5763098afe3eb2c93701
treefefe361432c162a48f98076f7156920e083c42fbtree | snapshot
parent8482d5d1bc18c17429a89ad37f8b74d5a16de239commit | diff
IB/qib: Fix a possible data corruption when receiving packets

Prevent a receive data corruption by ensuring that the write to update
the rcvhdrheadn register to generate an interrupt is at the very end
of the receive processing.

Signed-off-by: Ramkrishna Vepa <ram.vepa@qlogic.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com>
Cc: <stable@kernel.org>
Signed-off-by: Roland Dreier <roland@purestorage.com>
drivers/infiniband/hw/qib/qib_iba6120.c diff | blob | blame | history
drivers/infiniband/hw/qib/qib_iba7220.c diff | blob | blame | history
drivers/infiniband/hw/qib/qib_iba7322.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git