From c0e01d5d8f15c085236df184e5bc3d79a8b700cd Mon Sep 17 00:00:00 2001 From: Will Deacon Date: Wed, 6 Feb 2013 11:42:23 +0000 Subject: arm64: compat: use compat_uptr_t type for compat_ucontext.uc_link struct compat_ucontext * is a 64-bit pointer, so we need to use a compat_uptr_t instead to avoid declaring a structure incompatible with what AArch32 userspace expects. Cc: Reported-by: Edmund Grimley-Evans Signed-off-by: Will Deacon Signed-off-by: Catalin Marinas --- arch/arm64/kernel/signal32.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'arch') diff --git a/arch/arm64/kernel/signal32.c b/arch/arm64/kernel/signal32.c index a4db3d22aac..41db148a7eb 100644 --- a/arch/arm64/kernel/signal32.c +++ b/arch/arm64/kernel/signal32.c @@ -76,7 +76,7 @@ struct compat_sigcontext { struct compat_ucontext { compat_ulong_t uc_flags; - struct compat_ucontext *uc_link; + compat_uptr_t uc_link; compat_stack_t uc_stack; struct compat_sigcontext uc_mcontext; compat_sigset_t uc_sigmask; @@ -703,7 +703,7 @@ int compat_setup_rt_frame(int usig, struct k_sigaction *ka, siginfo_t *info, err |= copy_siginfo_to_user32(&frame->info, info); __put_user_error(0, &frame->sig.uc.uc_flags, err); - __put_user_error(NULL, &frame->sig.uc.uc_link, err); + __put_user_error(0, &frame->sig.uc.uc_link, err); memset(&stack, 0, sizeof(stack)); stack.ss_sp = (compat_uptr_t)current->sas_ss_sp; -- cgit v1.2.3