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8184009: Missing null pointer check in InterpreterRuntime::update_mdp_for_ret()

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Adds a missing null check (guarantee) found by Parfait.

Reviewed-by: coleenp, shade
This commit is contained in:
Tobias Hartmann 2017-07-19 09:00:13 +02:00
parent 10d2df3f6d
commit dabb4ab518
1 changed files with 1 additions and 0 deletions
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hotspot/src/share/vm/interpreter/interpreterRuntime.cpp
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@ -1033,6 +1033,7 @@ IRT_ENTRY(void, InterpreterRuntime::update_mdp_for_ret(JavaThread* thread, int r
// ProfileData is essentially a wrapper around a derived oop, so we // ProfileData is essentially a wrapper around a derived oop, so we
// need to take the lock before making any ProfileData structures. // need to take the lock before making any ProfileData structures.
ProfileData* data = h_mdo->data_at(h_mdo->dp_to_di(fr.interpreter_frame_mdp())); ProfileData* data = h_mdo->data_at(h_mdo->dp_to_di(fr.interpreter_frame_mdp()));
guarantee(data != NULL, "profile data must be valid");
RetData* rdata = data->as_RetData(); RetData* rdata = data->as_RetData();
address new_mdp = rdata->fixup_ret(return_bci, h_mdo); address new_mdp = rdata->fixup_ret(return_bci, h_mdo);
fr.interpreter_frame_set_mdp(new_mdp); fr.interpreter_frame_set_mdp(new_mdp);