[IPV6]: Nearly complete kzalloc cleanup for net/ipv6

Stupidly use kzalloc() instead of kmalloc()/memset()
everywhere where this is possible in net/ipv6/*.c .

Signed-off-by: Ingo Oeser <ioe-lkml@rameria.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c
index 2b55b9a..cf58251 100644 (file)
--- a/net/ipv6/ah6.c
+++ b/net/ipv6/ah6.c
@@ -354,12 +354,10 @@ static int ah6_init_state(struct xfrm_state *x)
        if (x->encap)
                goto error;
 
-       ahp = kmalloc(sizeof(*ahp), GFP_KERNEL);
+       ahp = kzalloc(sizeof(*ahp), GFP_KERNEL);
        if (ahp == NULL)
                return -ENOMEM;
 
-       memset(ahp, 0, sizeof(*ahp));
-
        ahp->key = x->aalg->alg_key;
        ahp->key_len = (x->aalg->alg_key_len+7)/8;
        ahp->tfm = crypto_alloc_tfm(x->aalg->alg_name, 0);

diff --git a/net/ipv6/anycast.c b/net/ipv6/anycast.c
index 840a33d..39ec528 100644 (file)
--- a/net/ipv6/anycast.c
+++ b/net/ipv6/anycast.c
@@ -308,7 +308,7 @@ int ipv6_dev_ac_inc(struct net_device *dev, struct in6_addr *addr)
         *      not found: create a new one.
         */
 
-       aca = kmalloc(sizeof(struct ifacaddr6), GFP_ATOMIC);
+       aca = kzalloc(sizeof(struct ifacaddr6), GFP_ATOMIC);
 
        if (aca == NULL) {
                err = -ENOMEM;
@@ -322,8 +322,6 @@ int ipv6_dev_ac_inc(struct net_device *dev, struct in6_addr *addr)
                goto out;
        }
 
-       memset(aca, 0, sizeof(struct ifacaddr6));
-
        ipv6_addr_copy(&aca->aca_addr, addr);
        aca->aca_idev = idev;
        aca->aca_rt = rt;
@@ -550,7 +548,7 @@ static int ac6_seq_open(struct inode *inode, struct file *file)
 {
        struct seq_file *seq;
        int rc = -ENOMEM;
-       struct ac6_iter_state *s = kmalloc(sizeof(*s), GFP_KERNEL);
+       struct ac6_iter_state *s = kzalloc(sizeof(*s), GFP_KERNEL);
 
        if (!s)
                goto out;
@@ -561,7 +559,6 @@ static int ac6_seq_open(struct inode *inode, struct file *file)
 
        seq = file->private_data;
        seq->private = s;
-       memset(s, 0, sizeof(*s));
 out:
        return rc;
 out_kfree:

diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
index aa7f100..3dcaac7 100644 (file)
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -305,12 +305,10 @@ static int esp6_init_state(struct xfrm_state *x)
        if (x->encap)
                goto error;
 
-       esp = kmalloc(sizeof(*esp), GFP_KERNEL);
+       esp = kzalloc(sizeof(*esp), GFP_KERNEL);
        if (esp == NULL)
                return -ENOMEM;
 
-       memset(esp, 0, sizeof(*esp));
-
        if (x->aalg) {
                struct xfrm_algo_desc *aalg_desc;
 

diff --git a/net/ipv6/ip6_flowlabel.c b/net/ipv6/ip6_flowlabel.c
index 69cbe8a..f9ca639 100644 (file)
--- a/net/ipv6/ip6_flowlabel.c
+++ b/net/ipv6/ip6_flowlabel.c
@@ -287,10 +287,9 @@ fl_create(struct in6_flowlabel_req *freq, char __user *optval, int optlen, int *
        int err;
 
        err = -ENOMEM;
-       fl = kmalloc(sizeof(*fl), GFP_KERNEL);
+       fl = kzalloc(sizeof(*fl), GFP_KERNEL);
        if (fl == NULL)
                goto done;
-       memset(fl, 0, sizeof(*fl));
 
        olen = optlen - CMSG_ALIGN(sizeof(*freq));
        if (olen > 0) {
@@ -663,7 +662,7 @@ static int ip6fl_seq_open(struct inode *inode, struct file *file)
 {
        struct seq_file *seq;
        int rc = -ENOMEM;
-       struct ip6fl_iter_state *s = kmalloc(sizeof(*s), GFP_KERNEL);
+       struct ip6fl_iter_state *s = kzalloc(sizeof(*s), GFP_KERNEL);
 
        if (!s)
                goto out;
@@ -674,7 +673,6 @@ static int ip6fl_seq_open(struct inode *inode, struct file *file)
 
        seq = file->private_data;
        seq->private = s;
-       memset(s, 0, sizeof(*s));
 out:
        return rc;
 out_kfree:

diff --git a/net/ipv6/ipcomp6.c b/net/ipv6/ipcomp6.c
index 3c7b324..028b636 100644 (file)
--- a/net/ipv6/ipcomp6.c
+++ b/net/ipv6/ipcomp6.c
@@ -428,11 +428,10 @@ static int ipcomp6_init_state(struct xfrm_state *x)
                goto out;
 
        err = -ENOMEM;
-       ipcd = kmalloc(sizeof(*ipcd), GFP_KERNEL);
+       ipcd = kzalloc(sizeof(*ipcd), GFP_KERNEL);
        if (!ipcd)
                goto out;
 
-       memset(ipcd, 0, sizeof(*ipcd));
        x->props.header_len = 0;
        if (x->props.mode)
                x->props.header_len += sizeof(struct ipv6hdr);

diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index 807c021..6e871af 100644 (file)
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -767,10 +767,10 @@ static void mld_add_delrec(struct inet6_dev *idev, struct ifmcaddr6 *im)
         * for deleted items allows change reports to use common code with
         * non-deleted or query-response MCA's.
         */
-       pmc = kmalloc(sizeof(*pmc), GFP_ATOMIC);
+       pmc = kzalloc(sizeof(*pmc), GFP_ATOMIC);
        if (!pmc)
                return;
-       memset(pmc, 0, sizeof(*pmc));
+
        spin_lock_bh(&im->mca_lock);
        spin_lock_init(&pmc->mca_lock);
        pmc->idev = im->idev;
@@ -893,7 +893,7 @@ int ipv6_dev_mc_inc(struct net_device *dev, struct in6_addr *addr)
         *      not found: create a new one.
         */
 
-       mc = kmalloc(sizeof(struct ifmcaddr6), GFP_ATOMIC);
+       mc = kzalloc(sizeof(struct ifmcaddr6), GFP_ATOMIC);
 
        if (mc == NULL) {
                write_unlock_bh(&idev->lock);
@@ -901,7 +901,6 @@ int ipv6_dev_mc_inc(struct net_device *dev, struct in6_addr *addr)
                return -ENOMEM;
        }
 
-       memset(mc, 0, sizeof(struct ifmcaddr6));
        init_timer(&mc->mca_timer);
        mc->mca_timer.function = igmp6_timer_handler;
        mc->mca_timer.data = (unsigned long) mc;
@@ -1934,10 +1933,10 @@ static int ip6_mc_add1_src(struct ifmcaddr6 *pmc, int sfmode,
                psf_prev = psf;
        }
        if (!psf) {
-               psf = kmalloc(sizeof(*psf), GFP_ATOMIC);
+               psf = kzalloc(sizeof(*psf), GFP_ATOMIC);
                if (!psf)
                        return -ENOBUFS;
-               memset(psf, 0, sizeof(*psf));
+
                psf->sf_addr = *psfsrc;
                if (psf_prev) {
                        psf_prev->sf_next = psf;
@@ -2431,7 +2430,7 @@ static int igmp6_mc_seq_open(struct inode *inode, struct file *file)
 {
        struct seq_file *seq;
        int rc = -ENOMEM;
-       struct igmp6_mc_iter_state *s = kmalloc(sizeof(*s), GFP_KERNEL);
+       struct igmp6_mc_iter_state *s = kzalloc(sizeof(*s), GFP_KERNEL);
 
        if (!s)
                goto out;
@@ -2442,7 +2441,6 @@ static int igmp6_mc_seq_open(struct inode *inode, struct file *file)
 
        seq = file->private_data;
        seq->private = s;
-       memset(s, 0, sizeof(*s));
 out:
        return rc;
 out_kfree:
@@ -2606,7 +2604,7 @@ static int igmp6_mcf_seq_open(struct inode *inode, struct file *file)
 {
        struct seq_file *seq;
        int rc = -ENOMEM;
-       struct igmp6_mcf_iter_state *s = kmalloc(sizeof(*s), GFP_KERNEL);
+       struct igmp6_mcf_iter_state *s = kzalloc(sizeof(*s), GFP_KERNEL);
        
        if (!s)
                goto out;
@@ -2617,7 +2615,6 @@ static int igmp6_mcf_seq_open(struct inode *inode, struct file *file)
 
        seq = file->private_data;
        seq->private = s;
-       memset(s, 0, sizeof(*s));
 out:
        return rc;
 out_kfree:

diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 0f63078..fa1ce0a 100644 (file)
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -1198,7 +1198,7 @@ static int raw6_seq_open(struct inode *inode, struct file *file)
 {
        struct seq_file *seq;
        int rc = -ENOMEM;
-       struct raw6_iter_state *s = kmalloc(sizeof(*s), GFP_KERNEL);
+       struct raw6_iter_state *s = kzalloc(sizeof(*s), GFP_KERNEL);
        if (!s)
                goto out;
        rc = seq_open(file, &raw6_seq_ops);
@@ -1206,7 +1206,6 @@ static int raw6_seq_open(struct inode *inode, struct file *file)
                goto out_kfree;
        seq = file->private_data;
        seq->private = s;
-       memset(s, 0, sizeof(*s));
 out:
        return rc;
 out_kfree:

diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index e16c982..7907874 100644 (file)
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -1877,11 +1877,10 @@ int inet6_dump_fib(struct sk_buff *skb, struct netlink_callback *cb)
                /*
                 * 2. allocate and initialize walker.
                 */
-               w = kmalloc(sizeof(*w), GFP_ATOMIC);
+               w = kzalloc(sizeof(*w), GFP_ATOMIC);
                if (w == NULL)
                        return -ENOMEM;
                RT6_TRACE("dump<%p", w);
-               memset(w, 0, sizeof(*w));
                w->root = &ip6_routing_table;
                w->func = fib6_dump_node;
                w->args = &arg;