Fix potential bug when the number of slaves is too large
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@ -176,7 +176,17 @@ int ecx_detect_slaves(ecx_contextt *context)
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wkc = ecx_BRD(context->port, 0x0000, ECT_REG_TYPE, sizeof(w), &w, EC_TIMEOUTSAFE); /* detect number of slaves */
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if (wkc > 0)
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{
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*(context->slavecount) = wkc;
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/* this is strictly "less than" since the master is "slave 0" */
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if (wkc < EC_MAXSLAVE)
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{
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*(context->slavecount) = wkc;
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}
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else
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{
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EC_PRINT("Error: too many slaves on network: num_slaves=%d, EC_MAXSLAVE=%d\n",
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wkc, EC_MAXSLAVE);
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return -2;
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}
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}
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return wkc;
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}
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