diff options
Diffstat (limited to 'net/irda/iriap.c')
| -rw-r--r-- | net/irda/iriap.c | 47 |
1 files changed, 32 insertions, 15 deletions
diff --git a/net/irda/iriap.c b/net/irda/iriap.c index 9e15c82960f..e1b37f5a269 100644 --- a/net/irda/iriap.c +++ b/net/irda/iriap.c @@ -31,6 +31,7 @@ #include <linux/string.h> #include <linux/init.h> #include <linux/seq_file.h> +#include <linux/slab.h> #include <asm/byteorder.h> #include <asm/unaligned.h> @@ -44,7 +45,7 @@ #ifdef CONFIG_IRDA_DEBUG /* FIXME: This one should go in irlmp.c */ -static const char *ias_charset_types[] = { +static const char *const ias_charset_types[] = { "CS_ASCII", "CS_ISO_8859_1", "CS_ISO_8859_2", @@ -86,6 +87,8 @@ static inline void iriap_start_watchdog_timer(struct iriap_cb *self, iriap_watchdog_timer_expired); } +static struct lock_class_key irias_objects_key; + /* * Function iriap_init (void) * @@ -113,6 +116,9 @@ int __init iriap_init(void) return -ENOMEM; } + lockdep_set_class_and_name(&irias_objects->hb_spinlock, &irias_objects_key, + "irias_objects"); + /* * Register some default services for IrLMP */ @@ -297,9 +303,10 @@ static void iriap_disconnect_indication(void *instance, void *sap, { struct iriap_cb *self; - IRDA_DEBUG(4, "%s(), reason=%s\n", __func__, irlmp_reasons[reason]); + IRDA_DEBUG(4, "%s(), reason=%s [%d]\n", __func__, + irlmp_reason_str(reason), reason); - self = (struct iriap_cb *) instance; + self = instance; IRDA_ASSERT(self != NULL, return;); IRDA_ASSERT(self->magic == IAS_MAGIC, return;); @@ -451,12 +458,14 @@ static void iriap_getvaluebyclass_confirm(struct iriap_cb *self, n = 2; /* Get length, MSB first */ - len = be16_to_cpu(get_unaligned((__be16 *)(fp+n))); n += 2; + len = get_unaligned_be16(fp + n); + n += 2; IRDA_DEBUG(4, "%s(), len=%d\n", __func__, len); /* Get object ID, MSB first */ - obj_id = be16_to_cpu(get_unaligned((__be16 *)(fp+n))); n += 2; + obj_id = get_unaligned_be16(fp + n); + n += 2; type = fp[n++]; IRDA_DEBUG(4, "%s(), Value type = %d\n", __func__, type); @@ -487,8 +496,11 @@ static void iriap_getvaluebyclass_confirm(struct iriap_cb *self, /* case CS_ISO_8859_9: */ /* case CS_UNICODE: */ default: - IRDA_DEBUG(0, "%s(), charset %s, not supported\n", - __func__, ias_charset_types[charset]); + IRDA_DEBUG(0, "%s(), charset [%d] %s, not supported\n", + __func__, charset, + charset < ARRAY_SIZE(ias_charset_types) ? + ias_charset_types[charset] : + "(unknown)"); /* Aborting, close connection! */ iriap_disconnect_request(self); @@ -499,14 +511,15 @@ static void iriap_getvaluebyclass_confirm(struct iriap_cb *self, IRDA_DEBUG(4, "%s(), strlen=%d\n", __func__, value_len); /* Make sure the string is null-terminated */ - fp[n+value_len] = 0x00; + if (n + value_len < skb->len) + fp[n + value_len] = 0x00; IRDA_DEBUG(4, "Got string %s\n", fp+n); /* Will truncate to IAS_MAX_STRING bytes */ value = irias_new_string_value(fp+n); break; case IAS_OCT_SEQ: - value_len = be16_to_cpu(get_unaligned((__be16 *)(fp+n))); + value_len = get_unaligned_be16(fp + n); n += 2; /* Will truncate to IAS_MAX_OCTET_STRING bytes */ @@ -652,10 +665,16 @@ static void iriap_getvaluebyclass_indication(struct iriap_cb *self, n = 1; name_len = fp[n++]; + + IRDA_ASSERT(name_len < IAS_MAX_CLASSNAME + 1, return;); + memcpy(name, fp+n, name_len); n+=name_len; name[name_len] = '\0'; attr_len = fp[n++]; + + IRDA_ASSERT(attr_len < IAS_MAX_ATTRIBNAME + 1, return;); + memcpy(attr, fp+n, attr_len); n+=attr_len; attr[attr_len] = '\0'; @@ -682,8 +701,6 @@ static void iriap_getvaluebyclass_indication(struct iriap_cb *self, /* We have a match; send the value. */ iriap_getvaluebyclass_response(self, obj->id, IAS_SUCCESS, attrib->value); - - return; } /* @@ -746,7 +763,7 @@ static void iriap_connect_confirm(void *instance, void *sap, { struct iriap_cb *self; - self = (struct iriap_cb *) instance; + self = instance; IRDA_ASSERT(self != NULL, return;); IRDA_ASSERT(self->magic == IAS_MAGIC, return;); @@ -778,7 +795,7 @@ static void iriap_connect_indication(void *instance, void *sap, IRDA_DEBUG(1, "%s()\n", __func__); - self = (struct iriap_cb *) instance; + self = instance; IRDA_ASSERT(skb != NULL, return;); IRDA_ASSERT(self != NULL, goto out;); @@ -826,7 +843,7 @@ static int iriap_data_indication(void *instance, void *sap, IRDA_DEBUG(3, "%s()\n", __func__); - self = (struct iriap_cb *) instance; + self = instance; IRDA_ASSERT(skb != NULL, return 0;); IRDA_ASSERT(self != NULL, goto out;); @@ -964,7 +981,7 @@ static void iriap_watchdog_timer_expired(void *data) #ifdef CONFIG_PROC_FS -static const char *ias_value_types[] = { +static const char *const ias_value_types[] = { "IAS_MISSING", "IAS_INTEGER", "IAS_OCT_SEQ", |