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authorAlex Dubov <oakad@yahoo.com>2011-01-12 17:01:04 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-13 08:03:22 -0800
commitd8256d487840f9c2c372f8fc615a5d378bc133f1 (patch)
treec9b17bcf583e047ecb55bf775b55053c85b21935 /drivers/misc/enclosure.c
parent8930c8aa740b12ad69f44a35137bcc39bfa3dc41 (diff)
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memstick: avert possible race condition between idr_pre_get and idr_get_new
Implement the usual pattern around idr_pre_get() and idr_get_new() to handlethe situation where another thread concurrently steals this thread's idr_pre_get() preallocation. Signed-off-by: Alex Dubov <oakad@yahoo.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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