From 188f677f84e935f83e3d539d6e8808006f6ac62f Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sun, 22 Apr 2012 03:35:28 -0400 Subject: [PATCH] xtensa: ->restart_block.fn needs to be reset on rt_sigreturn Signed-off-by: Al Viro --- arch/xtensa/kernel/signal.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/xtensa/kernel/signal.c b/arch/xtensa/kernel/signal.c index d78869a..44e9329 100644 --- a/arch/xtensa/kernel/signal.c +++ b/arch/xtensa/kernel/signal.c @@ -248,6 +248,9 @@ asmlinkage long xtensa_rt_sigreturn(long a0, long a1, long a2, long a3, sigset_t set; int ret; + /* Always make any pending restarted system calls return -EINTR */ + current_thread_info()->restart_block.fn = do_no_restart_syscall; + if (regs->depc > 64) panic("rt_sigreturn in double exception!\n"); -- 2.7.4