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authorKarsten Graul <kgraul@linux.ibm.com>2020-10-02 18:09:27 +0300
committerDavid S. Miller <davem@davemloft.net>2020-10-04 03:04:48 +0300
commitfd6ebb6fb2cf30eb03fbb8949e367832cbb82fec (patch)
treef7ee1d1d9e377c2da3770e58c69ec63631a54a68 /net/smc/smc_ism.c
parent839d696ffb2714c06da7f55f622d0ac8286524b5 (diff)
downloadlinux-fd6ebb6fb2cf30eb03fbb8949e367832cbb82fec.tar.xz
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>
Diffstat (limited to 'net/smc/smc_ism.c')
-rw-r--r--net/smc/smc_ism.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/smc/smc_ism.c b/net/smc/smc_ism.c
index e9a6487a42cb..6abbdd09a580 100644
--- a/net/smc/smc_ism.c
+++ b/net/smc/smc_ism.c
@@ -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 */