dev/eeprom: have to check if sfp section was found in fmc eeprom

9ce4ae00 · Grzegorz Daniluk · b9a4bea1 · 9ce4ae00
Commit 9ce4ae00 authored May 24, 2012 by Grzegorz Daniluk
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eeprom.c dev/eeprom.c +5 -0

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--- a/dev/eeprom.c
+++ b/dev/eeprom.c
@@ -199,6 +199,11 @@ int8_t access_eeprom(char *sfp_pn, int32_t *alpha, int32_t *deltaTx, int32_t *de
    mprintf("! Warning ! too many SFP entries (%d)\n", sfp_sz);
    sfp_sz = SFPINFO_MAX;
  }
+  else if(sfp_sz == 0)
+  {
+    mprintf("EEPROM: could no find SFP section, staring with defaults\n");
+    return -1;
+  }
  mprintf("EEPROM: found SFP section at %d size %d\n", (uint32_t)sfp_adr, (uint32_t)sfp_sz);

  if( eeprom_get_sfpinfo(WRPC_FMC_I2C, FMC_EEPROM_ADR, sfp_adr, sfpinfo, sfp_sz))