tree eb7757638e0a8e5509066eebec053a7bffe0138a
parent 69fd8d24673a8f4f8be5db7f84b5dc9e4ff354c8
author Rodolfo Giometti <giometti@linux.it> 1257978412 -0800
committer Linus Torvalds <torvalds@linux-foundation.org> 1258039560 -0800

pps: locking scheme fix up for PPS_GETPARAMS

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>