diff options
| -rw-r--r-- | net/caif/cfdbgl.c | 4 | ||||
| -rw-r--r-- | net/caif/cfdgml.c | 9 | ||||
| -rw-r--r-- | net/caif/cfrfml.c | 25 | ||||
| -rw-r--r-- | net/caif/cfsrvl.c | 6 | ||||
| -rw-r--r-- | net/caif/cfutill.c | 5 | ||||
| -rw-r--r-- | net/caif/cfvidl.c | 6 |
6 files changed, 31 insertions, 24 deletions
diff --git a/net/caif/cfdbgl.c b/net/caif/cfdbgl.c index 65d6ef3cf9a..2914659eb9b 100644 --- a/net/caif/cfdbgl.c +++ b/net/caif/cfdbgl.c @@ -41,8 +41,10 @@ static int cfdbgl_transmit(struct cflayer *layr, struct cfpkt *pkt) struct caif_payload_info *info; int ret; - if (!cfsrvl_ready(service, &ret)) + if (!cfsrvl_ready(service, &ret)) { + cfpkt_destroy(pkt); return ret; + } /* Add info for MUX-layer to route the packet out */ info = cfpkt_info(pkt); diff --git a/net/caif/cfdgml.c b/net/caif/cfdgml.c index 0f5ff27aa41..a63f4a5f5af 100644 --- a/net/caif/cfdgml.c +++ b/net/caif/cfdgml.c @@ -86,12 +86,17 @@ static int cfdgml_transmit(struct cflayer *layr, struct cfpkt *pkt) struct caif_payload_info *info; struct cfsrvl *service = container_obj(layr); int ret; - if (!cfsrvl_ready(service, &ret)) + + if (!cfsrvl_ready(service, &ret)) { + cfpkt_destroy(pkt); return ret; + } /* STE Modem cannot handle more than 1500 bytes datagrams */ - if (cfpkt_getlen(pkt) > DGM_MTU) + if (cfpkt_getlen(pkt) > DGM_MTU) { + cfpkt_destroy(pkt); return -EMSGSIZE; + } cfpkt_add_head(pkt, &zero, 3); packet_type = 0x08; /* B9 set - UNCLASSIFIED */ diff --git a/net/caif/cfrfml.c b/net/caif/cfrfml.c index 6dc75d4f8d9..2b563ad0459 100644 --- a/net/caif/cfrfml.c +++ b/net/caif/cfrfml.c @@ -184,6 +184,11 @@ out: rfml->serv.dev_info.id); } spin_unlock(&rfml->sync); + + if (unlikely(err == -EAGAIN)) + /* It is not possible to recover after drop of a fragment */ + err = -EIO; + return err; } @@ -218,7 +223,7 @@ static int cfrfml_transmit(struct cflayer *layr, struct cfpkt *pkt) caif_assert(layr->dn->transmit != NULL); if (!cfsrvl_ready(&rfml->serv, &err)) - return err; + goto out; err = -EPROTO; if (cfpkt_getlen(pkt) <= RFM_HEAD_SIZE-1) @@ -251,8 +256,11 @@ static int cfrfml_transmit(struct cflayer *layr, struct cfpkt *pkt) err = cfrfml_transmit_segment(rfml, frontpkt); - if (err != 0) + if (err != 0) { + frontpkt = NULL; goto out; + } + frontpkt = rearpkt; rearpkt = NULL; @@ -286,19 +294,8 @@ out: if (rearpkt) cfpkt_destroy(rearpkt); - if (frontpkt && frontpkt != pkt) { - + if (frontpkt) cfpkt_destroy(frontpkt); - /* - * Socket layer will free the original packet, - * but this packet may already be sent and - * freed. So we have to return 0 in this case - * to avoid socket layer to re-free this packet. - * The return of shutdown indication will - * cause connection to be invalidated anyhow. - */ - err = 0; - } } return err; diff --git a/net/caif/cfsrvl.c b/net/caif/cfsrvl.c index b99f5b22689..4aa33d4496b 100644 --- a/net/caif/cfsrvl.c +++ b/net/caif/cfsrvl.c @@ -174,15 +174,11 @@ void cfsrvl_init(struct cfsrvl *service, bool cfsrvl_ready(struct cfsrvl *service, int *err) { - if (service->open && service->modem_flow_on && service->phy_flow_on) - return true; if (!service->open) { *err = -ENOTCONN; return false; } - caif_assert(!(service->modem_flow_on && service->phy_flow_on)); - *err = -EAGAIN; - return false; + return true; } u8 cfsrvl_getphyid(struct cflayer *layer) diff --git a/net/caif/cfutill.c b/net/caif/cfutill.c index 53e49f3e3af..86d2dadb4b7 100644 --- a/net/caif/cfutill.c +++ b/net/caif/cfutill.c @@ -84,8 +84,11 @@ static int cfutill_transmit(struct cflayer *layr, struct cfpkt *pkt) caif_assert(layr != NULL); caif_assert(layr->dn != NULL); caif_assert(layr->dn->transmit != NULL); - if (!cfsrvl_ready(service, &ret)) + + if (!cfsrvl_ready(service, &ret)) { + cfpkt_destroy(pkt); return ret; + } cfpkt_add_head(pkt, &zero, 1); /* Add info for MUX-layer to route the packet out. */ diff --git a/net/caif/cfvidl.c b/net/caif/cfvidl.c index e3f37db40ac..a8e2a2d758a 100644 --- a/net/caif/cfvidl.c +++ b/net/caif/cfvidl.c @@ -50,8 +50,12 @@ static int cfvidl_transmit(struct cflayer *layr, struct cfpkt *pkt) struct caif_payload_info *info; u32 videoheader = 0; int ret; - if (!cfsrvl_ready(service, &ret)) + + if (!cfsrvl_ready(service, &ret)) { + cfpkt_destroy(pkt); return ret; + } + cfpkt_add_head(pkt, &videoheader, 4); /* Add info for MUX-layer to route the packet out */ info = cfpkt_info(pkt); |