diff options
| author | Karsten Graul <kgraul@linux.ibm.com> | 2020-09-26 12:44:19 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-09-28 15:19:02 -0700 |
| commit | a304e29a2418ea8dd77215f5bc4bc27f4ed8e7da (patch) | |
| tree | 811a893377b8e6e4f190b684199f9d20b849657d /net/smc/smc_pnet.c | |
| parent | 414698f6aa31d69fe7fe0fda22ac41cb7777eab5 (diff) | |
net/smc: remove constant and introduce helper to check for a pnet id
Use the existing symbol _S instead of SMC_ASCII_BLANK, and introduce a
helper to check if a pnetid is set. No functional change.
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/smc/smc_pnet.c')
| -rw-r--r-- | net/smc/smc_pnet.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/net/smc/smc_pnet.c b/net/smc/smc_pnet.c index 70684c49510e..0af5b4acca30 100644 --- a/net/smc/smc_pnet.c +++ b/net/smc/smc_pnet.c @@ -29,8 +29,6 @@ #include "smc_ism.h" #include "smc_core.h" -#define SMC_ASCII_BLANK 32 - static struct net_device *pnet_find_base_ndev(struct net_device *ndev); static const struct nla_policy smc_pnet_policy[SMC_PNETID_MAX + 1] = { @@ -73,14 +71,22 @@ struct smc_pnetentry { }; }; +/* Check if the pnetid is set */ +static bool smc_pnet_is_pnetid_set(u8 *pnetid) +{ + if (pnetid[0] == 0 || pnetid[0] == _S) + return false; + return true; +} + /* Check if two given pnetids match */ static bool smc_pnet_match(u8 *pnetid1, u8 *pnetid2) { int i; for (i = 0; i < SMC_MAX_PNETID_LEN; i++) { - if ((pnetid1[i] == 0 || pnetid1[i] == SMC_ASCII_BLANK) && - (pnetid2[i] == 0 || pnetid2[i] == SMC_ASCII_BLANK)) + if ((pnetid1[i] == 0 || pnetid1[i] == _S) && + (pnetid2[i] == 0 || pnetid2[i] == _S)) break; if (pnetid1[i] != pnetid2[i]) return false; @@ -238,11 +244,10 @@ static int smc_pnet_remove_by_ndev(struct net_device *ndev) static bool smc_pnet_apply_ib(struct smc_ib_device *ib_dev, u8 ib_port, char *pnet_name) { - u8 pnet_null[SMC_MAX_PNETID_LEN] = {0}; bool applied = false; mutex_lock(&smc_ib_devices.mutex); - if (smc_pnet_match(ib_dev->pnetid[ib_port - 1], pnet_null)) { + if (!smc_pnet_is_pnetid_set(ib_dev->pnetid[ib_port - 1])) { memcpy(ib_dev->pnetid[ib_port - 1], pnet_name, SMC_MAX_PNETID_LEN); ib_dev->pnetid_by_user[ib_port - 1] = true; @@ -256,11 +261,10 @@ static bool smc_pnet_apply_ib(struct smc_ib_device *ib_dev, u8 ib_port, */ static bool smc_pnet_apply_smcd(struct smcd_dev *smcd_dev, char *pnet_name) { - u8 pnet_null[SMC_MAX_PNETID_LEN] = {0}; bool applied = false; mutex_lock(&smcd_dev_list.mutex); - if (smc_pnet_match(smcd_dev->pnetid, pnet_null)) { + if (!smc_pnet_is_pnetid_set(smcd_dev->pnetid)) { memcpy(smcd_dev->pnetid, pnet_name, SMC_MAX_PNETID_LEN); smcd_dev->pnetid_by_user = true; applied = true; |