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Fix null pointer dereference after failing to extract DFF from memory. 

Fixes #3110.
This commit is contained in:
Catherine 2021-12-14 16:27:37 +00:00
parent b07ca8756a
commit 48ed6d998b
1 changed files with 2 additions and 1 deletions
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3
kernel/mem.cc
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@ -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;