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net/smc: use an array to check fields in system EID

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The check for old hardware versions that did not have SMCDv2 support was
using suspicious pointer magic. Address the fields using an array.

Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Karsten Graul 2020-10-02 17:09:27 +02:00 committed by David S. Miller
parent 839d696ffb
commit fd6ebb6fb2
1 changed files with 1 additions and 1 deletions
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net/smc/smc_ism.c
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@ -335,7 +335,7 @@ int smcd_register_dev(struct smcd_dev *smcd)
u8 *system_eid = NULL;
smc_ism_get_system_eid(smcd, &system_eid);
if ((*system_eid) + 24 != '0' || (*system_eid) + 28 != '0')
if (system_eid[24] != '0' || system_eid[28] != '0')
smc_ism_v2_capable = true;
}
/* sort list: devices without pnetid before devices with pnetid */