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pps: locking scheme fix up for PPS_GETPARAMS
authorRodolfo Giometti <giometti@linux.it>
Wed, 11 Nov 2009 22:26:52 +0000 (14:26 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Thu, 12 Nov 2009 15:26:00 +0000 (07:26 -0800)
Userland programs may read/write PPS parameters at same time and these
operations may corrupt PPS data.

Signed-off-by: Rodolfo Giometti <giometti@linux.it>
Tested-by: Reg Clemens <clemens@dwf.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

No differences found
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