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

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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2
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 */