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x86_32, signal: Fix vdso rt_sigreturn
author
Andy Lutomirski
<luto@amacapital.net>
Sat, 21 Jun 2014 14:31:55 +0000
(07:31 -0700)
committer
H. Peter Anvin
<hpa@linux.intel.com>
Mon, 23 Jun 2014 22:54:42 +0000
(15:54 -0700)
This commit:
commit
6f121e548f83674ab4920a4e60afb58d4f61b829
Author: Andy Lutomirski <luto@amacapital.net>
Date: Mon May 5 12:19:34 2014 -0700
x86, vdso: Reimplement vdso.so preparation in build-time C
Contained this obvious typo:
- restorer = VDSO32_SYMBOL(current->mm->context.vdso, rt_sigreturn);
+ restorer = current->mm->context.vdso +
+ selected_vdso32->sym___kernel_sigreturn;
Note the missing 'rt_' in the new code. Fix it.
Signed-off-by: Andy Lutomirski <luto@amacapital.net>
Link:
http://lkml.kernel.org/r/1eb40ad923acde2e18357ef2832867432e70ac42.1403361010.git.luto@amacapital.net
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
arch/x86/kernel/signal.c
patch
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diff --git
a/arch/x86/kernel/signal.c
b/arch/x86/kernel/signal.c
index a0da58db43a86ea9f2ec85154cd46bc2828c822e..2851d63c1202fd414a0ddb0f5cd26944861acaf2 100644
(file)
--- a/
arch/x86/kernel/signal.c
+++ b/
arch/x86/kernel/signal.c
@@
-363,7
+363,7
@@
static int __setup_rt_frame(int sig, struct ksignal *ksig,
/* Set up to return from userspace. */
restorer = current->mm->context.vdso +
- selected_vdso32->sym___kernel_sigreturn;
+ selected_vdso32->sym___kernel_
rt_
sigreturn;
if (ksig->ka.sa.sa_flags & SA_RESTORER)
restorer = ksig->ka.sa.sa_restorer;
put_user_ex(restorer, &frame->pretcode);