]> pilppa.com Git - linux-2.6-omap-h63xx.git/commit
[S390] cio: fix ccwgroup online vs. ungroup race condition
authorPeter Oberparleiter <peter.oberparleiter@de.ibm.com>
Thu, 25 Dec 2008 12:39:04 +0000 (13:39 +0100)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Thu, 25 Dec 2008 12:39:06 +0000 (13:39 +0100)
commitc619d4223eaa063dd15ce44235b04487235f8cb7
tree3ffc818d3681b467b362f854977a546e12b41d49
parent111e95a4cae01d6dadbbd1d8ab28dcd10fa5619c
[S390] cio: fix ccwgroup online vs. ungroup race condition

Ensure atomicity of ungroup operation to prevent concurrent ungroup
and online processing which may lead to use-after-release situations.

Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
drivers/s390/cio/ccwgroup.c