From 15166fadb0308496bbff50c08ed5fe6a18d5cc4f Mon Sep 17 00:00:00 2001 From: Alexey Dobriyan Date: Sat, 24 Sep 2005 16:54:50 -0700 Subject: [IRDA]: Fix memory leak in irttp_init() Signed-off-by: Alexey Dobriyan Signed-off-by: David S. Miller --- net/irda/irttp.c | 1 + 1 file changed, 1 insertion(+) (limited to 'net/irda') diff --git a/net/irda/irttp.c b/net/irda/irttp.c index 6602d901f8b1..1df6487609e1 100644 --- a/net/irda/irttp.c +++ b/net/irda/irttp.c @@ -100,6 +100,7 @@ int __init irttp_init(void) if (!irttp->tsaps) { IRDA_ERROR("%s: can't allocate IrTTP hashbin!\n", __FUNCTION__); + kfree(irttp); return -ENOMEM; } -- cgit v1.2.2 From 8689c07e47e928f8e329f667df8cf697a37425dd Mon Sep 17 00:00:00 2001 From: Alexey Dobriyan Date: Sat, 24 Sep 2005 16:55:17 -0700 Subject: [IRDA]: *irttp cleanup * Remove useless comment. * Remove useless assertions. * Remove useless comparison. Signed-off-by: Alexey Dobriyan Signed-off-by: David S. Miller --- net/irda/irttp.c | 15 ++++----------- 1 file changed, 4 insertions(+), 11 deletions(-) (limited to 'net/irda') diff --git a/net/irda/irttp.c b/net/irda/irttp.c index 1df6487609e1..8aff254cb418 100644 --- a/net/irda/irttp.c +++ b/net/irda/irttp.c @@ -38,7 +38,7 @@ #include #include -static struct irttp_cb *irttp = NULL; +static struct irttp_cb *irttp; static void __irttp_close_tsap(struct tsap_cb *self); @@ -86,12 +86,9 @@ static pi_param_info_t param_info = { pi_major_call_table, 1, 0x0f, 4 }; */ int __init irttp_init(void) { - /* Initialize the irttp structure. */ - if (irttp == NULL) { - irttp = kmalloc(sizeof(struct irttp_cb), GFP_KERNEL); - if (irttp == NULL) - return -ENOMEM; - } + irttp = kmalloc(sizeof(struct irttp_cb), GFP_KERNEL); + if (irttp == NULL) + return -ENOMEM; memset(irttp, 0, sizeof(struct irttp_cb)); irttp->magic = TTP_MAGIC; @@ -116,7 +113,6 @@ int __init irttp_init(void) void __exit irttp_cleanup(void) { /* Check for main structure */ - IRDA_ASSERT(irttp != NULL, return;); IRDA_ASSERT(irttp->magic == TTP_MAGIC, return;); /* @@ -383,7 +379,6 @@ struct tsap_cb *irttp_open_tsap(__u8 stsap_sel, int credit, notify_t *notify) struct lsap_cb *lsap; notify_t ttp_notify; - IRDA_ASSERT(irttp != NULL, return NULL;); IRDA_ASSERT(irttp->magic == TTP_MAGIC, return NULL;); /* The IrLMP spec (IrLMP 1.1 p10) says that we have the right to @@ -1881,8 +1876,6 @@ static int irttp_seq_open(struct inode *inode, struct file *file) struct seq_file *seq; int rc = -ENOMEM; struct irttp_iter_state *s; - - IRDA_ASSERT(irttp != NULL, return -EINVAL;); s = kmalloc(sizeof(*s), GFP_KERNEL); if (!s) -- cgit v1.2.2 From e5ed639913eea3e4783a550291775ab78dd84966 Mon Sep 17 00:00:00 2001 From: Herbert Xu Date: Mon, 3 Oct 2005 14:35:55 -0700 Subject: [IPV4]: Replace __in_dev_get with __in_dev_get_rcu/rtnl The following patch renames __in_dev_get() to __in_dev_get_rtnl() and introduces __in_dev_get_rcu() to cover the second case. 1) RCU with refcnt should use in_dev_get(). 2) RCU without refcnt should use __in_dev_get_rcu(). 3) All others must hold RTNL and use __in_dev_get_rtnl(). There is one exception in net/ipv4/route.c which is in fact a pre-existing race condition. I've marked it as such so that we remember to fix it. This patch is based on suggestions and prior work by Suzanne Wood and Paul McKenney. Signed-off-by: Herbert Xu Signed-off-by: David S. Miller --- net/irda/irlan/irlan_eth.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'net/irda') diff --git a/net/irda/irlan/irlan_eth.c b/net/irda/irlan/irlan_eth.c index 071cd2cefd8a..953e255d2bc8 100644 --- a/net/irda/irlan/irlan_eth.c +++ b/net/irda/irlan/irlan_eth.c @@ -310,7 +310,7 @@ void irlan_eth_send_gratuitous_arp(struct net_device *dev) #ifdef CONFIG_INET IRDA_DEBUG(4, "IrLAN: Sending gratuitous ARP\n"); rcu_read_lock(); - in_dev = __in_dev_get(dev); + in_dev = __in_dev_get_rcu(dev); if (in_dev == NULL) goto out; if (in_dev->ifa_list) -- cgit v1.2.2