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

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
git-mirror · May 22, 2012 · 188f677 · 188f677
1 parent f2ccfb3
commit 188f677
Showing 1 changed file with 3 additions and 0 deletions.
diff --git 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");