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| author | Catherine <whitequark@whitequark.org> | 2021-12-14 16:27:37 +0000 |
|---|---|---|
| committer | Catherine <whitequark@whitequark.org> | 2021-12-14 16:27:37 +0000 |
| commit | 48ed6d998bb2943891acd730c4aaef5d1deecb7e (patch) | |
| tree | 8cd378c74f0092a79b24238ec48fc83e901c225e | |
| parent | b07ca8756a6ca4fafd725f008ac871a0e24d75e8 (diff) | |
| download | yosys-48ed6d998bb2943891acd730c4aaef5d1deecb7e.tar.gz yosys-48ed6d998bb2943891acd730c4aaef5d1deecb7e.tar.bz2 yosys-48ed6d998bb2943891acd730c4aaef5d1deecb7e.zip | |
Fix null pointer dereference after failing to extract DFF from memory.
Fixes #3110.
| -rw-r--r-- | kernel/mem.cc | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/mem.cc b/kernel/mem.cc index 746f667ea..96168ff76 100644 --- a/kernel/mem.cc +++ b/kernel/mem.cc @@ -985,7 +985,8 @@ Cell *Mem::extract_rdff(int idx, FfInitVals *initvals) { c = ff.emit(); } - log("Extracted %s FF from read port %d of %s.%s: %s\n", trans_use_addr ? "addr" : "data", + if (c) + log("Extracted %s FF from read port %d of %s.%s: %s\n", trans_use_addr ? "addr" : "data", idx, log_id(module), log_id(memid), log_id(c)); port.en = State::S1; |