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| author | Al Viro <viro@zeniv.linux.org.uk> | 2012-12-23 11:46:34 +0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2013-02-04 03:15:58 +0400 |
| commit | da36f98a52e3a299fa067967e2928e9d53d3102f (patch) | |
| tree | 717015d1a866739a7b71e39896577f6255d2f5f3 /arch/hexagon/kernel | |
| parent | 1e974c21661db89b30eb13040fc9ab99a83b6492 (diff) | |
| download | linux-da36f98a52e3a299fa067967e2928e9d53d3102f.tar.xz | |
hexagon: don't leave ->uc_stack uninitialized
it's used on rt_sigreturn(2)
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/hexagon/kernel')
| -rw-r--r-- | arch/hexagon/kernel/signal.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/hexagon/kernel/signal.c b/arch/hexagon/kernel/signal.c index 46ebd4794663..60fa2ca3202b 100644 --- a/arch/hexagon/kernel/signal.c +++ b/arch/hexagon/kernel/signal.c @@ -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; |