tree baa7c6f2a31dcc4c4d2875f73b1462be5fbb388d
parent 58e78475ec706f93e0cc049449ffd11fbfdadb3e
author Davide Libenzi <davidel@xmailserver.org> 1182978599 -0700
committer Linus Torvalds <torvalds@woody.linux-foundation.org> 1183055694 -0700

avoid spurious POLLIN returns in signalfd

The new code in kernel/signal.c does not allow fetching private signals
from another task.  This patch avoid spurious POLLIN returns from a
signalfd poll(2) operation.

Signed-off-by: Davide Libenzi <davidel@xmailserver.org>
Cc: Oleg Nesterov <oleg@tv-sign.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>