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Merge pull request #873 from eosea/bscan_tunnel_seg_fault_fix 

Add null pointer check before right shift for bscan tunneling.
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Tim Newsome 2023-06-29 10:09:12 -07:00 committed by GitHub
parent 4be6a5683f 9d23d3774a
commit 92c0319261
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1 changed files with 4 additions and 2 deletions
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6
src/target/riscv/batch.c
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@ -115,8 +115,10 @@ int riscv_batch_run(struct riscv_batch *batch)
if (bscan_tunnel_ir_width != 0) {
/* need to right-shift "in" by one bit, because of clock skew between BSCAN TAP and DM TAP */
for (size_t i = 0; i < batch->used_scans; ++i)
buffer_shr((batch->fields + i)->in_value, DMI_SCAN_BUF_SIZE, 1);
for (size_t i = 0; i < batch->used_scans; ++i) {
if ((batch->fields + i)->in_value)
buffer_shr((batch->fields + i)->in_value, DMI_SCAN_BUF_SIZE, 1);
}
}
for (size_t i = 0; i < batch->used_scans; ++i)