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gyrosim fix transfer hardcoded buffer index

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- fixes coverity CID 196758
This commit is contained in:
Daniel Agar
2018-03-24 12:55:18 -04:00
parent a48e3bf68d
commit 19a4f0988c
1 changed files with 4 additions and 1 deletions
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src/platforms/posix/drivers/gyrosim/gyrosim.cpp
+4 -1
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@@ -506,8 +506,11 @@ GYROSIM::transfer(uint8_t *send, uint8_t *recv, unsigned len)
// FIXME - not sure what interrupt status should be // FIXME - not sure what interrupt status should be
recv[1] = 0; recv[1] = 0;
// skip cmd and status bytes // skip cmd and status bytes
sim->getMPUReport(&recv[2], len - 2); if (len > 2) {
sim->getMPUReport(&recv[2], len - 2);
}
} else if (cmd & DIR_READ) { } else if (cmd & DIR_READ) {
PX4_DEBUG("Reading %u bytes from register %u", len - 1, reg); PX4_DEBUG("Reading %u bytes from register %u", len - 1, reg);