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-rw-r--r--net/irda/discovery.c81
1 files changed, 42 insertions, 39 deletions
diff --git a/net/irda/discovery.c b/net/irda/discovery.c
index 3fefc822c1c..6786e7f193d 100644
--- a/net/irda/discovery.c
+++ b/net/irda/discovery.c
@@ -1,5 +1,5 @@
/*********************************************************************
- *
+ *
* Filename: discovery.c
* Version: 0.1
* Description: Routines for handling discoveries at the IrLMP layer
@@ -10,35 +10,38 @@
* Modified by: Dag Brattli <dagb@cs.uit.no>
* Modified at: Fri May 28 3:11 CST 1999
* Modified by: Horst von Brand <vonbrand@sleipnir.valparaiso.cl>
- *
+ *
* Copyright (c) 1999 Dag Brattli, All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
- *
+ *
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- *
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
********************************************************************/
#include <linux/string.h>
#include <linux/socket.h>
+#include <linux/fs.h>
#include <linux/seq_file.h>
+#include <linux/slab.h>
+#include <linux/export.h>
#include <net/irda/irda.h>
#include <net/irda/irlmp.h>
#include <net/irda/discovery.h>
+#include <asm/unaligned.h>
+
/*
* Function irlmp_add_discovery (cachelog, discovery)
*
@@ -64,9 +67,9 @@ void irlmp_add_discovery(hashbin_t *cachelog, discovery_t *new)
spin_lock_irqsave(&cachelog->hb_spinlock, flags);
- /*
- * Remove all discoveries of devices that has previously been
- * discovered on the same link with the same name (info), or the
+ /*
+ * Remove all discoveries of devices that has previously been
+ * discovered on the same link with the same name (info), or the
* same daddr. We do this since some devices (mostly PDAs) change
* their device address between every discovery.
*/
@@ -78,15 +81,15 @@ void irlmp_add_discovery(hashbin_t *cachelog, discovery_t *new)
discovery = (discovery_t *) hashbin_get_next(cachelog);
if ((node->data.saddr == new->data.saddr) &&
- ((node->data.daddr == new->data.daddr) ||
+ ((node->data.daddr == new->data.daddr) ||
(strcmp(node->data.info, new->data.info) == 0)))
{
- /* This discovery is a previous discovery
+ /* This discovery is a previous discovery
* from the same device, so just remove it
*/
hashbin_remove_this(cachelog, (irda_queue_t *) node);
/* Check if hints bits are unchanged */
- if(u16ho(node->data.hints) == u16ho(new->data.hints))
+ if (get_unaligned((__u16 *)node->data.hints) == get_unaligned((__u16 *)new->data.hints))
/* Set time of first discovery for this node */
new->firststamp = node->firststamp;
kfree(node);
@@ -109,7 +112,7 @@ void irlmp_add_discovery_log(hashbin_t *cachelog, hashbin_t *log)
{
discovery_t *discovery;
- IRDA_DEBUG(4, "%s()\n", __FUNCTION__);
+ IRDA_DEBUG(4, "%s()\n", __func__);
/*
* If log is missing this means that IrLAP was unable to perform the
@@ -133,7 +136,7 @@ void irlmp_add_discovery_log(hashbin_t *cachelog, hashbin_t *log)
discovery = (discovery_t *) hashbin_remove_first(log);
}
-
+
/* Delete the now empty log */
hashbin_delete(log, (FREE_FUNC) kfree);
}
@@ -156,7 +159,7 @@ void irlmp_expire_discoveries(hashbin_t *log, __u32 saddr, int force)
int i = 0; /* How many we expired */
IRDA_ASSERT(log != NULL, return;);
- IRDA_DEBUG(4, "%s()\n", __FUNCTION__);
+ IRDA_DEBUG(4, "%s()\n", __func__);
spin_lock_irqsave(&log->hb_spinlock, flags);
@@ -201,7 +204,7 @@ void irlmp_expire_discoveries(hashbin_t *log, __u32 saddr, int force)
/* Drop the spinlock before calling the higher layers, as
* we can't guarantee they won't call us back and create a
* deadlock. We will work on our own private data, so we
- * don't care to be interupted. - Jean II */
+ * don't care to be interrupted. - Jean II */
spin_unlock_irqrestore(&log->hb_spinlock, flags);
if(buffer == NULL)
@@ -231,7 +234,7 @@ void irlmp_dump_discoveries(hashbin_t *log)
while (discovery != NULL) {
IRDA_DEBUG(0, "Discovery:\n");
IRDA_DEBUG(0, " daddr=%08x\n", discovery->data.daddr);
- IRDA_DEBUG(0, " saddr=%08x\n", discovery->data.saddr);
+ IRDA_DEBUG(0, " saddr=%08x\n", discovery->data.saddr);
IRDA_DEBUG(0, " nickname=%s\n", discovery->data.info);
discovery = (discovery_t *) hashbin_get_next(log);
@@ -280,9 +283,9 @@ struct irda_device_info *irlmp_copy_discoveries(hashbin_t *log, int *pn,
/* Mask out the ones we don't want :
* We want to match the discovery mask, and to get only
* the most recent one (unless we want old ones) */
- if ((u16ho(discovery->data.hints) & mask) &&
+ if ((get_unaligned((__u16 *)discovery->data.hints) & mask) &&
((old_entries) ||
- ((jiffies - discovery->firststamp) < j_timeout)) ) {
+ ((jiffies - discovery->firststamp) < j_timeout))) {
/* Create buffer as needed.
* As this function get called a lot and most time
* we don't have anything to put in the log (we are
@@ -311,7 +314,7 @@ struct irda_device_info *irlmp_copy_discoveries(hashbin_t *log, int *pn,
/* Get the actual number of device in the buffer and return */
*pn = i;
- return(buffer);
+ return buffer;
}
#ifdef CONFIG_PROC_FS
@@ -320,26 +323,26 @@ static inline discovery_t *discovery_seq_idx(loff_t pos)
{
discovery_t *discovery;
- for (discovery = (discovery_t *) hashbin_get_first(irlmp->cachelog);
+ for (discovery = (discovery_t *) hashbin_get_first(irlmp->cachelog);
discovery != NULL;
discovery = (discovery_t *) hashbin_get_next(irlmp->cachelog)) {
if (pos-- == 0)
break;
}
-
+
return discovery;
}
static void *discovery_seq_start(struct seq_file *seq, loff_t *pos)
{
spin_lock_irq(&irlmp->cachelog->hb_spinlock);
- return *pos ? discovery_seq_idx(*pos - 1) : SEQ_START_TOKEN;
+ return *pos ? discovery_seq_idx(*pos - 1) : SEQ_START_TOKEN;
}
static void *discovery_seq_next(struct seq_file *seq, void *v, loff_t *pos)
{
++*pos;
- return (v == SEQ_START_TOKEN)
+ return (v == SEQ_START_TOKEN)
? (void *) hashbin_get_first(irlmp->cachelog)
: (void *) hashbin_get_next(irlmp->cachelog);
}
@@ -356,9 +359,9 @@ static int discovery_seq_show(struct seq_file *seq, void *v)
else {
const discovery_t *discovery = v;
- seq_printf(seq, "nickname: %s, hint: 0x%02x%02x",
+ seq_printf(seq, "nickname: %s, hint: 0x%02x%02x",
discovery->data.info,
- discovery->data.hints[0],
+ discovery->data.hints[0],
discovery->data.hints[1]);
#if 0
if ( discovery->data.hints[0] & HINT_PNP)
@@ -375,26 +378,26 @@ static int discovery_seq_show(struct seq_file *seq, void *v)
seq_puts(seq, "Fax ");
if ( discovery->data.hints[0] & HINT_LAN)
seq_puts(seq, "LAN Access ");
-
+
if ( discovery->data.hints[1] & HINT_TELEPHONY)
seq_puts(seq, "Telephony ");
if ( discovery->data.hints[1] & HINT_FILE_SERVER)
- seq_puts(seq, "File Server ");
+ seq_puts(seq, "File Server ");
if ( discovery->data.hints[1] & HINT_COMM)
seq_puts(seq, "IrCOMM ");
if ( discovery->data.hints[1] & HINT_OBEX)
seq_puts(seq, "IrOBEX ");
-#endif
+#endif
seq_printf(seq,", saddr: 0x%08x, daddr: 0x%08x\n\n",
discovery->data.saddr,
discovery->data.daddr);
-
+
seq_putc(seq, '\n');
}
return 0;
}
-static struct seq_operations discovery_seq_ops = {
+static const struct seq_operations discovery_seq_ops = {
.start = discovery_seq_start,
.next = discovery_seq_next,
.stop = discovery_seq_stop,
@@ -408,7 +411,7 @@ static int discovery_seq_open(struct inode *inode, struct file *file)
return seq_open(file, &discovery_seq_ops);
}
-struct file_operations discovery_seq_fops = {
+const struct file_operations discovery_seq_fops = {
.owner = THIS_MODULE,
.open = discovery_seq_open,
.read = seq_read,
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-05 22:17:00 +0000