From: Al Viro <viro@ftp.linux.org.uk>
Date: Thu, 1 May 2008 21:36:36 +0000 (-0700)
Subject: [IA64] fix file and descriptor handling in perfmon
X-Git-Tag: v2.6.26-rc1~16^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f8e811b98935f702b48abc92563462a15c226eb8;p=pandora-kernel.git

[IA64] fix file and descriptor handling in perfmon

Races galore...  General rule: as soon as it's in descriptor table,
it's over; another thread might have started IO on it/dup2() it
elsewhere/dup2() something *over* it/etc.  fd_install() is the very
last step one should take - it's a point of no return.

Besides, the damn thing leaked on failure exits...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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