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x86: return correct error code from child_rip in x86_64 entry.S 

Right now register edi is just cleared before calling do_exit.
That is wrong because correct return value will be ignored.
Value from rax should be copied to rdi instead of clearing edi.

AK: changed to 32bit move because it's strictly an int

[ tglx: arch/x86 adaptation ]

Signed-off-by: Andrey Mirkin <major@openvz.org>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Andrey Mirkin 2007-10-17 18:04:33 +02:00 committed by Thomas Gleixner
parent aa506dc7b1
commit 1c5b5cfd29
1 changed files with 1 additions and 1 deletions
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2
arch/x86/kernel/entry_64.S
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@ -988,7 +988,7 @@ child_rip:
movq %rsi, %rdi
call *%rax
# exit
xorl %edi, %edi
mov %eax, %edi
call do_exit
CFI_ENDPROC
ENDPROC(child_rip)