original_kernel/arch/s390
Carsten Otte 05873df981 [S390] gmap: always up mmap_sem properly
If gmap_unmap_segment figures that the segment was not mapped in the
first place, it need to up mmap_sem on exit.

Cc: <stable@kernel.org>
Signed-off-by: Carsten Otte <cotte@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2011-09-26 16:40:50 +02:00
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