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(parent: e6a5858) | patch
x86: signal: sys_rt_sigreturn() should use set_current_blocked()
authorOleg Nesterov <oleg@redhat.com>
Wed, 27 Apr 2011 19:09:39 +0000 (21:09 +0200)
committerOleg Nesterov <oleg@redhat.com>
Thu, 28 Apr 2011 11:01:38 +0000 (13:01 +0200)
commite9bd3f0faa90084f188830d77723bafe422e486b
treeec80acc87031f21f96edb3bacf8caf9b45ee4f85tree | snapshot (tar.gz zip)
parente6a585801b451443480ff66914a522b482457460commit | diff
x86: signal: sys_rt_sigreturn() should use set_current_blocked()

Normally sys_rt_sigreturn() restores the old current->blocked which was
changed by handle_signal(), and unblocking is always fine.

But the debugger or application itself can change frame->uc_sigmask and
thus we need set_current_blocked()->retarget_shared_pending().

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Reviewed-by: Matt Fleming <matt.fleming@linux.intel.com>
Acked-by: Tejun Heo <tj@kernel.org>
arch/x86/kernel/signal.c diff | blob | blame | history