diff options
Diffstat (limited to 'net/caif/cfcnfg.c')
| -rw-r--r-- | net/caif/cfcnfg.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/net/caif/cfcnfg.c b/net/caif/cfcnfg.c index 273cb07f57d8..2e4aea9f00ef 100644 --- a/net/caif/cfcnfg.c +++ b/net/caif/cfcnfg.c @@ -452,7 +452,7 @@ unlock: rcu_read_unlock(); } -void +int cfcnfg_add_phy_layer(struct cfcnfg *cnfg, struct net_device *dev, struct cflayer *phy_layer, enum cfcnfg_phy_preference pref, @@ -461,7 +461,7 @@ cfcnfg_add_phy_layer(struct cfcnfg *cnfg, { struct cflayer *frml; struct cfcnfg_phyinfo *phyinfo = NULL; - int i; + int i, res = 0; u8 phyid; mutex_lock(&cnfg->lock); @@ -475,12 +475,15 @@ cfcnfg_add_phy_layer(struct cfcnfg *cnfg, goto got_phyid; } pr_warn("Too many CAIF Link Layers (max 6)\n"); + res = -EEXIST; goto out; got_phyid: phyinfo = kzalloc(sizeof(struct cfcnfg_phyinfo), GFP_ATOMIC); - if (!phyinfo) + if (!phyinfo) { + res = -ENOMEM; goto out_err; + } phy_layer->id = phyid; phyinfo->pref = pref; @@ -494,8 +497,10 @@ got_phyid: frml = cffrml_create(phyid, fcs); - if (!frml) + if (!frml) { + res = -ENOMEM; goto out_err; + } phyinfo->frm_layer = frml; layer_set_up(frml, cnfg->mux); @@ -513,11 +518,12 @@ got_phyid: list_add_rcu(&phyinfo->node, &cnfg->phys); out: mutex_unlock(&cnfg->lock); - return; + return res; out_err: kfree(phyinfo); mutex_unlock(&cnfg->lock); + return res; } EXPORT_SYMBOL(cfcnfg_add_phy_layer); |