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xtensa: ->restart_block.fn needs to be reset on rt_sigreturn

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2012-04-22 03:35:28 -04:00
parent f2ccfb3e56
commit 188f677f84
1 changed files with 3 additions and 0 deletions
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3
arch/xtensa/kernel/signal.c
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@ -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");