[IA64] fix file and descriptor handling in perfmon

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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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Al Viro 2008-05-01 14:36:36 -07:00 • committed by Tony Luck

parent 848376c774

commit f8e811b989

1 changed files with 87 additions and 112 deletions

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arch/ia64/kernel/perfmon.c

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