diff options
| author | Will Deacon <will.deacon@arm.com> | 2013-02-06 11:42:23 +0000 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2013-02-11 12:39:16 +0000 |
| commit | c0e01d5d8f15c085236df184e5bc3d79a8b700cd (patch) | |
| tree | 92efd5f16d6462a96e3f46e591b7e170cd7f17a8 /arch/arm64/kernel/signal32.c | |
| parent | b6f3598140608012bbc034c9a9ba55b0e8ea0755 (diff) | |
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: <stable@vger.kernel.org>
Reported-by: Edmund Grimley-Evans <Edmund.Grimley-Evans@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/kernel/signal32.c')
| -rw-r--r-- | arch/arm64/kernel/signal32.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm64/kernel/signal32.c b/arch/arm64/kernel/signal32.c index a4db3d22aac4..41db148a7eb9 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; |