diff options
| -rw-r--r-- | arch/tile/kernel/signal.c | 14 |
1 files changed, 3 insertions, 11 deletions
diff --git a/arch/tile/kernel/signal.c b/arch/tile/kernel/signal.c index 7c2fecc52177..491669065ffb 100644 --- a/arch/tile/kernel/signal.c +++ b/arch/tile/kernel/signal.c @@ -45,8 +45,7 @@ int restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc) { - int err = 0; - int i; + int err; /* Always make any pending restarted system calls return -EINTR */ current_thread_info()->restart_block.fn = do_no_restart_syscall; @@ -57,9 +56,7 @@ int restore_sigcontext(struct pt_regs *regs, */ BUILD_BUG_ON(sizeof(struct sigcontext) != sizeof(struct pt_regs)); BUILD_BUG_ON(sizeof(struct sigcontext) % 8 != 0); - - for (i = 0; i < sizeof(struct pt_regs)/sizeof(long); ++i) - err |= __get_user(regs->regs[i], &sc->gregs[i]); + err = __copy_from_user(regs, sc, sizeof(*regs)); /* Ensure that the PL is always set to USER_PL. */ regs->ex1 = PL_ICS_EX1(USER_PL, EX1_ICS(regs->ex1)); @@ -110,12 +107,7 @@ badframe: int setup_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs) { - int i, err = 0; - - for (i = 0; i < sizeof(struct pt_regs)/sizeof(long); ++i) - err |= __put_user(regs->regs[i], &sc->gregs[i]); - - return err; + return __copy_to_user(sc, regs, sizeof(*regs)); } /* |