diff options
Diffstat (limited to 'net/irda')
| -rw-r--r-- | net/irda/af_irda.c | 1 | ||||
| -rw-r--r-- | net/irda/irnet/irnet_ppp.c | 1 | ||||
| -rw-r--r-- | net/irda/irttp.c | 30 |
3 files changed, 22 insertions, 10 deletions
diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c index 7f097989..a6de305 100644 --- a/net/irda/af_irda.c +++ b/net/irda/af_irda.c @@ -45,7 +45,6 @@ #include <linux/capability.h> #include <linux/module.h> #include <linux/types.h> -#include <linux/smp_lock.h> #include <linux/socket.h> #include <linux/sockios.h> #include <linux/slab.h> diff --git a/net/irda/irnet/irnet_ppp.c b/net/irda/irnet/irnet_ppp.c index 7fa8637..7c567b8 100644 --- a/net/irda/irnet/irnet_ppp.c +++ b/net/irda/irnet/irnet_ppp.c @@ -15,7 +15,6 @@ #include <linux/sched.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include "irnet_ppp.h" /* Private header */ /* Please put other headers in irnet.h - Thanks */ diff --git a/net/irda/irttp.c b/net/irda/irttp.c index 285761e..f6054f9 100644 --- a/net/irda/irttp.c +++ b/net/irda/irttp.c @@ -550,22 +550,30 @@ EXPORT_SYMBOL(irttp_close_tsap); */ int irttp_udata_request(struct tsap_cb *self, struct sk_buff *skb) { + int ret; + IRDA_ASSERT(self != NULL, return -1;); IRDA_ASSERT(self->magic == TTP_TSAP_MAGIC, return -1;); IRDA_ASSERT(skb != NULL, return -1;); IRDA_DEBUG(4, "%s()\n", __func__); + /* Take shortcut on zero byte packets */ + if (skb->len == 0) { + ret = 0; + goto err; + } + /* Check that nothing bad happens */ - if ((skb->len == 0) || (!self->connected)) { - IRDA_DEBUG(1, "%s(), No data, or not connected\n", - __func__); + if (!self->connected) { + IRDA_WARNING("%s(), Not connected\n", __func__); + ret = -ENOTCONN; goto err; } if (skb->len > self->max_seg_size) { - IRDA_DEBUG(1, "%s(), UData is too large for IrLAP!\n", - __func__); + IRDA_ERROR("%s(), UData is too large for IrLAP!\n", __func__); + ret = -EMSGSIZE; goto err; } @@ -576,7 +584,7 @@ int irttp_udata_request(struct tsap_cb *self, struct sk_buff *skb) err: dev_kfree_skb(skb); - return -1; + return ret; } EXPORT_SYMBOL(irttp_udata_request); @@ -599,9 +607,15 @@ int irttp_data_request(struct tsap_cb *self, struct sk_buff *skb) IRDA_DEBUG(2, "%s() : queue len = %d\n", __func__, skb_queue_len(&self->tx_queue)); + /* Take shortcut on zero byte packets */ + if (skb->len == 0) { + ret = 0; + goto err; + } + /* Check that nothing bad happens */ - if ((skb->len == 0) || (!self->connected)) { - IRDA_WARNING("%s: No data, or not connected\n", __func__); + if (!self->connected) { + IRDA_WARNING("%s: Not connected\n", __func__); ret = -ENOTCONN; goto err; } |
