diff options
Diffstat (limited to 'net/caif')
-rw-r--r-- | net/caif/cfcnfg.c | 38 | ||||
-rw-r--r-- | net/caif/cfctrl.c | 23 | ||||
-rw-r--r-- | net/caif/cfdbgl.c | 7 | ||||
-rw-r--r-- | net/caif/cfdgml.c | 7 | ||||
-rw-r--r-- | net/caif/cffrml.c | 7 | ||||
-rw-r--r-- | net/caif/cfmuxl.c | 6 | ||||
-rw-r--r-- | net/caif/cfrfml.c | 7 | ||||
-rw-r--r-- | net/caif/cfserl.c | 7 | ||||
-rw-r--r-- | net/caif/cfsrvl.c | 8 | ||||
-rw-r--r-- | net/caif/cfutill.c | 7 | ||||
-rw-r--r-- | net/caif/cfveil.c | 7 | ||||
-rw-r--r-- | net/caif/cfvidl.c | 7 |
12 files changed, 44 insertions, 87 deletions
diff --git a/net/caif/cfcnfg.c b/net/caif/cfcnfg.c index 52fe33bee02..00523ecc4ce 100644 --- a/net/caif/cfcnfg.c +++ b/net/caif/cfcnfg.c @@ -78,10 +78,8 @@ struct cfcnfg *cfcnfg_create(void) /* Initiate this layer */ this = kzalloc(sizeof(struct cfcnfg), GFP_ATOMIC); - if (!this) { - pr_warn("Out of memory\n"); + if (!this) return NULL; - } this->mux = cfmuxl_create(); if (!this->mux) goto out_of_mem; @@ -108,8 +106,6 @@ struct cfcnfg *cfcnfg_create(void) return this; out_of_mem: - pr_warn("Out of memory\n"); - synchronize_rcu(); kfree(this->mux); @@ -448,10 +444,8 @@ cfcnfg_linkup_rsp(struct cflayer *layer, u8 channel_id, enum cfctrl_srv serv, "- unknown channel type\n"); goto unlock; } - if (!servicel) { - pr_warn("Out of memory\n"); + if (!servicel) goto unlock; - } layer_set_dn(servicel, cnfg->mux); cfmuxl_set_uplayer(cnfg->mux, servicel, channel_id); layer_set_up(servicel, adapt_layer); @@ -473,7 +467,7 @@ cfcnfg_add_phy_layer(struct cfcnfg *cnfg, enum cfcnfg_phy_type phy_type, { struct cflayer *frml; struct cflayer *phy_driver = NULL; - struct cfcnfg_phyinfo *phyinfo; + struct cfcnfg_phyinfo *phyinfo = NULL; int i; u8 phyid; @@ -488,25 +482,25 @@ cfcnfg_add_phy_layer(struct cfcnfg *cnfg, enum cfcnfg_phy_type phy_type, goto got_phyid; } pr_warn("Too many CAIF Link Layers (max 6)\n"); - goto out; + goto out_err; got_phyid: phyinfo = kzalloc(sizeof(struct cfcnfg_phyinfo), GFP_ATOMIC); + if (!phyinfo) + goto out_err; switch (phy_type) { case CFPHYTYPE_FRAG: phy_driver = cfserl_create(CFPHYTYPE_FRAG, phyid, stx); - if (!phy_driver) { - pr_warn("Out of memory\n"); - goto out; - } + if (!phy_driver) + goto out_err; break; case CFPHYTYPE_CAIF: phy_driver = NULL; break; default: - goto out; + goto out_err; } phy_layer->id = phyid; phyinfo->pref = pref; @@ -520,11 +514,8 @@ got_phyid: frml = cffrml_create(phyid, fcs); - if (!frml) { - pr_warn("Out of memory\n"); - kfree(phyinfo); - goto out; - } + if (!frml) + goto out_err; phyinfo->frm_layer = frml; layer_set_up(frml, cnfg->mux); @@ -540,7 +531,12 @@ got_phyid: } list_add_rcu(&phyinfo->node, &cnfg->phys); -out: + mutex_unlock(&cnfg->lock); + return; + +out_err: + kfree(phy_driver); + kfree(phyinfo); mutex_unlock(&cnfg->lock); } EXPORT_SYMBOL(cfcnfg_add_phy_layer); diff --git a/net/caif/cfctrl.c b/net/caif/cfctrl.c index e22671bed66..5cf52225692 100644 --- a/net/caif/cfctrl.c +++ b/net/caif/cfctrl.c @@ -35,15 +35,12 @@ struct cflayer *cfctrl_create(void) { struct dev_info dev_info; struct cfctrl *this = - kmalloc(sizeof(struct cfctrl), GFP_ATOMIC); - if (!this) { - pr_warn("Out of memory\n"); + kzalloc(sizeof(struct cfctrl), GFP_ATOMIC); + if (!this) return NULL; - } caif_assert(offsetof(struct cfctrl, serv.layer) == 0); memset(&dev_info, 0, sizeof(dev_info)); dev_info.id = 0xff; - memset(this, 0, sizeof(*this)); cfsrvl_init(&this->serv, 0, &dev_info, false); atomic_set(&this->req_seq_no, 1); atomic_set(&this->rsp_seq_no, 1); @@ -180,10 +177,8 @@ void cfctrl_enum_req(struct cflayer *layer, u8 physlinkid) struct cfctrl *cfctrl = container_obj(layer); struct cfpkt *pkt = cfpkt_create(CFPKT_CTRL_PKT_LEN); struct cflayer *dn = cfctrl->serv.layer.dn; - if (!pkt) { - pr_warn("Out of memory\n"); + if (!pkt) return; - } if (!dn) { pr_debug("not able to send enum request\n"); return; @@ -224,10 +219,8 @@ int cfctrl_linkup_request(struct cflayer *layer, } pkt = cfpkt_create(CFPKT_CTRL_PKT_LEN); - if (!pkt) { - pr_warn("Out of memory\n"); + if (!pkt) return -ENOMEM; - } cfpkt_addbdy(pkt, CFCTRL_CMD_LINK_SETUP); cfpkt_addbdy(pkt, (param->chtype << 4) | param->linktype); cfpkt_addbdy(pkt, (param->priority << 3) | param->phyid); @@ -275,10 +268,8 @@ int cfctrl_linkup_request(struct cflayer *layer, return -EINVAL; } req = kzalloc(sizeof(*req), GFP_KERNEL); - if (!req) { - pr_warn("Out of memory\n"); + if (!req) return -ENOMEM; - } req->client_layer = user_layer; req->cmd = CFCTRL_CMD_LINK_SETUP; req->param = *param; @@ -312,10 +303,8 @@ int cfctrl_linkdown_req(struct cflayer *layer, u8 channelid, struct cfpkt *pkt = cfpkt_create(CFPKT_CTRL_PKT_LEN); struct cflayer *dn = cfctrl->serv.layer.dn; - if (!pkt) { - pr_warn("Out of memory\n"); + if (!pkt) return -ENOMEM; - } if (!dn) { pr_debug("not able to send link-down request\n"); diff --git a/net/caif/cfdbgl.c b/net/caif/cfdbgl.c index 11a2af4c162..65d6ef3cf9a 100644 --- a/net/caif/cfdbgl.c +++ b/net/caif/cfdbgl.c @@ -19,13 +19,10 @@ static int cfdbgl_transmit(struct cflayer *layr, struct cfpkt *pkt); struct cflayer *cfdbgl_create(u8 channel_id, struct dev_info *dev_info) { - struct cfsrvl *dbg = kmalloc(sizeof(struct cfsrvl), GFP_ATOMIC); - if (!dbg) { - pr_warn("Out of memory\n"); + struct cfsrvl *dbg = kzalloc(sizeof(struct cfsrvl), GFP_ATOMIC); + if (!dbg) return NULL; - } caif_assert(offsetof(struct cfsrvl, layer) == 0); - memset(dbg, 0, sizeof(struct cfsrvl)); cfsrvl_init(dbg, channel_id, dev_info, false); dbg->layer.receive = cfdbgl_receive; dbg->layer.transmit = cfdbgl_transmit; diff --git a/net/caif/cfdgml.c b/net/caif/cfdgml.c index 0382dec84fd..0f5ff27aa41 100644 --- a/net/caif/cfdgml.c +++ b/net/caif/cfdgml.c @@ -26,13 +26,10 @@ static int cfdgml_transmit(struct cflayer *layr, struct cfpkt *pkt); struct cflayer *cfdgml_create(u8 channel_id, struct dev_info *dev_info) { - struct cfsrvl *dgm = kmalloc(sizeof(struct cfsrvl), GFP_ATOMIC); - if (!dgm) { - pr_warn("Out of memory\n"); + struct cfsrvl *dgm = kzalloc(sizeof(struct cfsrvl), GFP_ATOMIC); + if (!dgm) return NULL; - } caif_assert(offsetof(struct cfsrvl, layer) == 0); - memset(dgm, 0, sizeof(struct cfsrvl)); cfsrvl_init(dgm, channel_id, dev_info, true); dgm->layer.receive = cfdgml_receive; dgm->layer.transmit = cfdgml_transmit; diff --git a/net/caif/cffrml.c b/net/caif/cffrml.c index 04204b20271..f39921171d0 100644 --- a/net/caif/cffrml.c +++ b/net/caif/cffrml.c @@ -34,11 +34,9 @@ static u32 cffrml_rcv_error; static u32 cffrml_rcv_checsum_error; struct cflayer *cffrml_create(u16 phyid, bool use_fcs) { - struct cffrml *this = kmalloc(sizeof(struct cffrml), GFP_ATOMIC); - if (!this) { - pr_warn("Out of memory\n"); + struct cffrml *this = kzalloc(sizeof(struct cffrml), GFP_ATOMIC); + if (!this) return NULL; - } this->pcpu_refcnt = alloc_percpu(int); if (this->pcpu_refcnt == NULL) { kfree(this); @@ -47,7 +45,6 @@ struct cflayer *cffrml_create(u16 phyid, bool use_fcs) caif_assert(offsetof(struct cffrml, layer) == 0); - memset(this, 0, sizeof(struct cflayer)); this->layer.receive = cffrml_receive; this->layer.transmit = cffrml_transmit; this->layer.ctrlcmd = cffrml_ctrlcmd; diff --git a/net/caif/cfmuxl.c b/net/caif/cfmuxl.c index c23979e79df..b36f24a4c8e 100644 --- a/net/caif/cfmuxl.c +++ b/net/caif/cfmuxl.c @@ -108,7 +108,7 @@ struct cflayer *cfmuxl_remove_dnlayer(struct cflayer *layr, u8 phyid) int idx = phyid % DN_CACHE_SIZE; spin_lock_bh(&muxl->transmit_lock); - rcu_assign_pointer(muxl->dn_cache[idx], NULL); + RCU_INIT_POINTER(muxl->dn_cache[idx], NULL); dn = get_from_id(&muxl->frml_list, phyid); if (dn == NULL) goto out; @@ -164,7 +164,7 @@ struct cflayer *cfmuxl_remove_uplayer(struct cflayer *layr, u8 id) if (up == NULL) goto out; - rcu_assign_pointer(muxl->up_cache[idx], NULL); + RCU_INIT_POINTER(muxl->up_cache[idx], NULL); list_del_rcu(&up->node); out: spin_unlock_bh(&muxl->receive_lock); @@ -261,7 +261,7 @@ static void cfmuxl_ctrlcmd(struct cflayer *layr, enum caif_ctrlcmd ctrl, idx = layer->id % UP_CACHE_SIZE; spin_lock_bh(&muxl->receive_lock); - rcu_assign_pointer(muxl->up_cache[idx], NULL); + RCU_INIT_POINTER(muxl->up_cache[idx], NULL); list_del_rcu(&layer->node); spin_unlock_bh(&muxl->receive_lock); } diff --git a/net/caif/cfrfml.c b/net/caif/cfrfml.c index 0deabb44005..81660f80971 100644 --- a/net/caif/cfrfml.c +++ b/net/caif/cfrfml.c @@ -46,13 +46,10 @@ struct cflayer *cfrfml_create(u8 channel_id, struct dev_info *dev_info, int mtu_size) { int tmp; - struct cfrfml *this = - kzalloc(sizeof(struct cfrfml), GFP_ATOMIC); + struct cfrfml *this = kzalloc(sizeof(struct cfrfml), GFP_ATOMIC); - if (!this) { - pr_warn("Out of memory\n"); + if (!this) return NULL; - } cfsrvl_init(&this->serv, channel_id, dev_info, false); this->serv.release = cfrfml_release; diff --git a/net/caif/cfserl.c b/net/caif/cfserl.c index 2715c84cfa8..797c8d16599 100644 --- a/net/caif/cfserl.c +++ b/net/caif/cfserl.c @@ -33,13 +33,10 @@ static void cfserl_ctrlcmd(struct cflayer *layr, enum caif_ctrlcmd ctrl, struct cflayer *cfserl_create(int type, int instance, bool use_stx) { - struct cfserl *this = kmalloc(sizeof(struct cfserl), GFP_ATOMIC); - if (!this) { - pr_warn("Out of memory\n"); + struct cfserl *this = kzalloc(sizeof(struct cfserl), GFP_ATOMIC); + if (!this) return NULL; - } caif_assert(offsetof(struct cfserl, layer) == 0); - memset(this, 0, sizeof(struct cfserl)); this->layer.receive = cfserl_receive; this->layer.transmit = cfserl_transmit; this->layer.ctrlcmd = cfserl_ctrlcmd; diff --git a/net/caif/cfsrvl.c b/net/caif/cfsrvl.c index 535a1e72b36..b99f5b22689 100644 --- a/net/caif/cfsrvl.c +++ b/net/caif/cfsrvl.c @@ -108,10 +108,8 @@ static int cfservl_modemcmd(struct cflayer *layr, enum caif_modemcmd ctrl) struct caif_payload_info *info; u8 flow_on = SRVL_FLOW_ON; pkt = cfpkt_create(SRVL_CTRL_PKT_SIZE); - if (!pkt) { - pr_warn("Out of memory\n"); + if (!pkt) return -ENOMEM; - } if (cfpkt_add_head(pkt, &flow_on, 1) < 0) { pr_err("Packet is erroneous!\n"); @@ -130,10 +128,8 @@ static int cfservl_modemcmd(struct cflayer *layr, enum caif_modemcmd ctrl) struct caif_payload_info *info; u8 flow_off = SRVL_FLOW_OFF; pkt = cfpkt_create(SRVL_CTRL_PKT_SIZE); - if (!pkt) { - pr_warn("Out of memory\n"); + if (!pkt) return -ENOMEM; - } if (cfpkt_add_head(pkt, &flow_off, 1) < 0) { pr_err("Packet is erroneous!\n"); diff --git a/net/caif/cfutill.c b/net/caif/cfutill.c index 98e027db18e..53e49f3e3af 100644 --- a/net/caif/cfutill.c +++ b/net/caif/cfutill.c @@ -26,13 +26,10 @@ static int cfutill_transmit(struct cflayer *layr, struct cfpkt *pkt); struct cflayer *cfutill_create(u8 channel_id, struct dev_info *dev_info) { - struct cfsrvl *util = kmalloc(sizeof(struct cfsrvl), GFP_ATOMIC); - if (!util) { - pr_warn("Out of memory\n"); + struct cfsrvl *util = kzalloc(sizeof(struct cfsrvl), GFP_ATOMIC); + if (!util) return NULL; - } caif_assert(offsetof(struct cfsrvl, layer) == 0); - memset(util, 0, sizeof(struct cfsrvl)); cfsrvl_init(util, channel_id, dev_info, true); util->layer.receive = cfutill_receive; util->layer.transmit = cfutill_transmit; diff --git a/net/caif/cfveil.c b/net/caif/cfveil.c index 3ec83fbc288..910ab0661f6 100644 --- a/net/caif/cfveil.c +++ b/net/caif/cfveil.c @@ -25,13 +25,10 @@ static int cfvei_transmit(struct cflayer *layr, struct cfpkt *pkt); struct cflayer *cfvei_create(u8 channel_id, struct dev_info *dev_info) { - struct cfsrvl *vei = kmalloc(sizeof(struct cfsrvl), GFP_ATOMIC); - if (!vei) { - pr_warn("Out of memory\n"); + struct cfsrvl *vei = kzalloc(sizeof(struct cfsrvl), GFP_ATOMIC); + if (!vei) return NULL; - } caif_assert(offsetof(struct cfsrvl, layer) == 0); - memset(vei, 0, sizeof(struct cfsrvl)); cfsrvl_init(vei, channel_id, dev_info, true); vei->layer.receive = cfvei_receive; vei->layer.transmit = cfvei_transmit; diff --git a/net/caif/cfvidl.c b/net/caif/cfvidl.c index b2f5989ad45..e3f37db40ac 100644 --- a/net/caif/cfvidl.c +++ b/net/caif/cfvidl.c @@ -21,14 +21,11 @@ static int cfvidl_transmit(struct cflayer *layr, struct cfpkt *pkt); struct cflayer *cfvidl_create(u8 channel_id, struct dev_info *dev_info) { - struct cfsrvl *vid = kmalloc(sizeof(struct cfsrvl), GFP_ATOMIC); - if (!vid) { - pr_warn("Out of memory\n"); + struct cfsrvl *vid = kzalloc(sizeof(struct cfsrvl), GFP_ATOMIC); + if (!vid) return NULL; - } caif_assert(offsetof(struct cfsrvl, layer) == 0); - memset(vid, 0, sizeof(struct cfsrvl)); cfsrvl_init(vid, channel_id, dev_info, false); vid->layer.receive = cfvidl_receive; vid->layer.transmit = cfvidl_transmit; |