From: Al Viro Date: Mon, 20 Sep 2010 14:13:04 +0000 (+0100) Subject: frv: restart_block.fn needs to be reset on sigreturn X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=20cd514d0f3d288d968217028ca67b70e707d896;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git frv: restart_block.fn needs to be reset on sigreturn Reset restart_block.fn on executing a sigreturn such that any currently pending system call restarts will be forced to return -EINTR. Signed-off-by: Al Viro Signed-off-by: David Howells Signed-off-by: Linus Torvalds --- diff --git a/arch/frv/kernel/signal.c b/arch/frv/kernel/signal.c index 0974c0ecc594..7fc29615ef01 100644 --- a/arch/frv/kernel/signal.c +++ b/arch/frv/kernel/signal.c @@ -121,6 +121,9 @@ static int restore_sigcontext(struct sigcontext __user *sc, int *_gr8) struct user_context *user = current->thread.user; unsigned long tbr, psr; + /* Always make any pending restarted system calls return -EINTR */ + current_thread_info()->restart_block.fn = do_no_restart_syscall; + tbr = user->i.tbr; psr = user->i.psr; if (copy_from_user(user, &sc->sc_context, sizeof(sc->sc_context)))