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authorJesper Juhl <jesper.juhl@gmail.com>2008-01-20 16:58:04 -0800
committerDavid S. Miller <davem@davemloft.net>2008-01-20 20:31:42 -0800
commit61e44b4815063a5cc31242d3669d5f87beeaa45f (patch)
tree248cfe70b039ca1b8a13865d5992e33b0b0ad1ae /net
parent[NEIGH]: Revert 'Fix race between neigh_parms_release and neightbl_fill_parms' (diff)
downloadlinux-dev-61e44b4815063a5cc31242d3669d5f87beeaa45f.tar.xz
linux-dev-61e44b4815063a5cc31242d3669d5f87beeaa45f.zip
[IrDA]: af_irda memory leak fixes
Here goes an IrDA patch against your latest net-2.6 tree. This patch fixes some af_irda memory leaks. It also checks for irias_new_obect() return value. Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Signed-off-by: Samuel Ortiz <samuel@sortiz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/irda/af_irda.c30
1 files changed, 27 insertions, 3 deletions
diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c
index d5e4dd75200b..07dfa7fdd2a0 100644
--- a/net/irda/af_irda.c
+++ b/net/irda/af_irda.c
@@ -802,12 +802,18 @@ static int irda_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
}
#endif /* CONFIG_IRDA_ULTRA */
+ self->ias_obj = irias_new_object(addr->sir_name, jiffies);
+ if (self->ias_obj == NULL)
+ return -ENOMEM;
+
err = irda_open_tsap(self, addr->sir_lsap_sel, addr->sir_name);
- if (err < 0)
+ if (err < 0) {
+ kfree(self->ias_obj->name);
+ kfree(self->ias_obj);
return err;
+ }
/* Register with LM-IAS */
- self->ias_obj = irias_new_object(addr->sir_name, jiffies);
irias_add_integer_attrib(self->ias_obj, "IrDA:TinyTP:LsapSel",
self->stsap_sel, IAS_KERNEL_ATTR);
irias_insert_object(self->ias_obj);
@@ -1825,7 +1831,7 @@ static int irda_setsockopt(struct socket *sock, int level, int optname,
struct irda_ias_set *ias_opt;
struct ias_object *ias_obj;
struct ias_attrib * ias_attr; /* Attribute in IAS object */
- int opt;
+ int opt, free_ias = 0;
IRDA_DEBUG(2, "%s(%p)\n", __FUNCTION__, self);
@@ -1881,11 +1887,20 @@ static int irda_setsockopt(struct socket *sock, int level, int optname,
/* Create a new object */
ias_obj = irias_new_object(ias_opt->irda_class_name,
jiffies);
+ if (ias_obj == NULL) {
+ kfree(ias_opt);
+ return -ENOMEM;
+ }
+ free_ias = 1;
}
/* Do we have the attribute already ? */
if(irias_find_attrib(ias_obj, ias_opt->irda_attrib_name)) {
kfree(ias_opt);
+ if (free_ias) {
+ kfree(ias_obj->name);
+ kfree(ias_obj);
+ }
return -EINVAL;
}
@@ -1904,6 +1919,11 @@ static int irda_setsockopt(struct socket *sock, int level, int optname,
if(ias_opt->attribute.irda_attrib_octet_seq.len >
IAS_MAX_OCTET_STRING) {
kfree(ias_opt);
+ if (free_ias) {
+ kfree(ias_obj->name);
+ kfree(ias_obj);
+ }
+
return -EINVAL;
}
/* Add an octet sequence attribute */
@@ -1932,6 +1952,10 @@ static int irda_setsockopt(struct socket *sock, int level, int optname,
break;
default :
kfree(ias_opt);
+ if (free_ias) {
+ kfree(ias_obj->name);
+ kfree(ias_obj);
+ }
return -EINVAL;
}
irias_insert_object(ias_obj);