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cris: don't leave ->uc_stack unitialized - we'll use its contents on sigreturn

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2012-12-23 02:11:49 -05:00
parent d970e42897
commit 9df794d927
2 changed files with 3 additions and 0 deletions
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2
arch/cris/arch-v10/kernel/signal.c
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@ -356,6 +356,8 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));
err |= __save_altstack(&frame->uc.uc_stack, rdusp());
if (err)
goto give_sigsegv;

1
arch/cris/arch-v32/kernel/signal.c
View file

@ -365,6 +365,7 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
err |= __clear_user(&frame->uc, offsetof(struct ucontext, uc_mcontext));
err |= setup_sigcontext(&frame->uc.uc_mcontext, regs, set->sig[0]);
err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));
err |= __save_altstack(&frame->uc.uc_stack, rdusp());
if (err)
goto give_sigsegv;