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authorMichael Chan <mchan@broadcom.com>2011-03-02 16:00:49 +0300
committerDavid S. Miller <davem@davemloft.net>2011-03-03 02:57:51 +0300
commit107c3f4d42adc9af393019b795dd2177fbe9e465 (patch)
tree547c9130536f19568e1b903e1bd2942933355179 /drivers/md/dm-sysfs.c
parent1707be1be18deb1deaecd768135290cffdeb0e8e (diff)
downloadlinux-107c3f4d42adc9af393019b795dd2177fbe9e465.tar.xz
cnic: Prevent status block race conditions with hardware
The status block index is used to acknowledge interrupt events and must be read before checking for the interrupt events, so we need to add rmb() to guarantee that. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/md/dm-sysfs.c')
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