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hexagon: don't leave ->uc_stack uninitialized 

it's used on rt_sigreturn(2)

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2012-12-23 02:46:34 -05:00
parent 1e974c2166
commit da36f98a52
1 changed files with 1 additions and 0 deletions
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arch/hexagon/kernel/signal.c
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@ -125,6 +125,7 @@ static int setup_rt_frame(int signr, struct k_sigaction *ka, siginfo_t *info,
err |= __put_user(0x5400c004, &frame->tramp[1]);
err |= setup_sigcontext(regs, &frame->uc.uc_mcontext);
err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));
err |= __save_altstack(&frame->uc.uc_stack, user_stack_pointer(regs));
if (err)
goto sigsegv;