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avr32: ->restart_block.fn needs to be reset on rt_sigreturn
author
Al Viro
<viro@zeniv.linux.org.uk>
Sun, 22 Apr 2012 07:36:05 +0000
(
03:36
-0400)
committer
Al Viro
<viro@zeniv.linux.org.uk>
Tue, 22 May 2012 03:52:40 +0000
(23:52 -0400)
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
arch/avr32/kernel/signal.c
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diff --git
a/arch/avr32/kernel/signal.c
b/arch/avr32/kernel/signal.c
index
feeb77b
..
a4855ae
100644
(file)
--- a/
arch/avr32/kernel/signal.c
+++ b/
arch/avr32/kernel/signal.c
@@
-77,6
+77,9
@@
asmlinkage int sys_rt_sigreturn(struct pt_regs *regs)
struct rt_sigframe __user *frame;
sigset_t set;
+ /* Always make any pending restarted system calls return -EINTR */
+ current_thread_info()->restart_block.fn = do_no_restart_syscall;
+
frame = (struct rt_sigframe __user *)regs->sp;
pr_debug("SIG return: frame = %p\n", frame);