From 9bf084f70ffde6521d113593b89461a5bd2a303b Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@tv-sign.ru>
Date: Tue, 16 Oct 2007 23:26:18 -0700
Subject: [PATCH] do_poll: return -EINTR when signalled

do_poll() checks signal_pending() but returns 0 when interrupted.  This means
the caller has to check signal_pending() again.

Change it to return -EINTR when signal_pending() and count == 0.

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Andi Kleen <ak@suse.de>
Cc: Davide Libenzi <davidel@xmailserver.org>
Cc: Vadim Lobanov <vlobanov@speakeasy.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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