[PATCH 1/5] frv: restart_block.fn needs to be reset on sigreturn

From: Al Viro
Date: Sat Sep 18 2010 - 15:41:43 EST



Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
---
arch/frv/kernel/signal.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/arch/frv/kernel/signal.c b/arch/frv/kernel/signal.c
index 0974c0e..7fc2961 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)))
--
1.5.6.5


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