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microblaze: ->restart_block.fn needs to be reset on rt_sigreturn
author
Al Viro
<viro@zeniv.linux.org.uk>
Sun, 22 Apr 2012 07:32:18 +0000
(
03:32
-0400)
committer
Al Viro
<viro@zeniv.linux.org.uk>
Tue, 22 May 2012 03:52:39 +0000
(23:52 -0400)
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
arch/microblaze/kernel/signal.c
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diff --git
a/arch/microblaze/kernel/signal.c
b/arch/microblaze/kernel/signal.c
index
99b9708
..
fbdb026
100644
(file)
--- a/
arch/microblaze/kernel/signal.c
+++ b/
arch/microblaze/kernel/signal.c
@@
-98,6
+98,9
@@
asmlinkage long sys_rt_sigreturn(struct pt_regs *regs)
sigset_t set;
int rval;
+ /* Always make any pending restarted system calls return -EINTR */
+ current_thread_info()->restart_block.fn = do_no_restart_syscall;
+
if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
goto badframe;