redonkable/remarkable-linux
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Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

Browse source 
* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
  [EBTABLES]: Clean up vmalloc usage in net/bridge/netfilter/ebtables.c
  [NET]: Add skb->truesize assertion checking.
  [TCP]: Account skb overhead in tcp_fragment
  [SUNGEM]: Marvell PHY suspend.
  [LLC]: Use pskb_trim_rcsum() in llc_fixup_skb().
  [NET]: sockfd_lookup_light() returns random error for -EBADFD
This commit is contained in:
Linus Torvalds 2006-04-20 15:25:37 -07:00
parent a6db522c93 18bc89aa25
commit d3d3cf05ed
9 changed files with 40 additions and 22 deletions
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11
drivers/net/sungem_phy.c
View file

@ -275,7 +275,7 @@ static int bcm5411_init(struct mii_phy* phy)
return 0;
}
static int bcm5411_suspend(struct mii_phy* phy)
static int generic_suspend(struct mii_phy* phy)
{
phy_write(phy, MII_BMCR, BMCR_PDOWN);
@ -738,7 +738,7 @@ static struct mii_phy_def bcm5401_phy_def = {
/* Broadcom BCM 5411 */
static struct mii_phy_ops bcm5411_phy_ops = {
.init = bcm5411_init,
.suspend = bcm5411_suspend,
.suspend = generic_suspend,
.setup_aneg = bcm54xx_setup_aneg,
.setup_forced = bcm54xx_setup_forced,
.poll_link = genmii_poll_link,
@ -757,7 +757,7 @@ static struct mii_phy_def bcm5411_phy_def = {
/* Broadcom BCM 5421 */
static struct mii_phy_ops bcm5421_phy_ops = {
.init = bcm5421_init,
.suspend = bcm5411_suspend,
.suspend = generic_suspend,
.setup_aneg = bcm54xx_setup_aneg,
.setup_forced = bcm54xx_setup_forced,
.poll_link = genmii_poll_link,
@ -776,7 +776,7 @@ static struct mii_phy_def bcm5421_phy_def = {
/* Broadcom BCM 5421 built-in K2 */
static struct mii_phy_ops bcm5421k2_phy_ops = {
.init = bcm5421_init,
.suspend = bcm5411_suspend,
.suspend = generic_suspend,
.setup_aneg = bcm54xx_setup_aneg,
.setup_forced = bcm54xx_setup_forced,
.poll_link = genmii_poll_link,
@ -795,7 +795,7 @@ static struct mii_phy_def bcm5421k2_phy_def = {
/* Broadcom BCM 5462 built-in Vesta */
static struct mii_phy_ops bcm5462V_phy_ops = {
.init = bcm5421_init,
.suspend = bcm5411_suspend,
.suspend = generic_suspend,
.setup_aneg = bcm54xx_setup_aneg,
.setup_forced = bcm54xx_setup_forced,
.poll_link = genmii_poll_link,
@ -816,6 +816,7 @@ static struct mii_phy_def bcm5462V_phy_def = {
* would be useful here) --BenH.
*/
static struct mii_phy_ops marvell_phy_ops = {
.suspend = generic_suspend,
.setup_aneg = marvell_setup_aneg,
.setup_forced = marvell_setup_forced,
.poll_link = genmii_poll_link,

7
include/linux/skbuff.h
View file

@ -344,6 +344,13 @@ extern void skb_over_panic(struct sk_buff *skb, int len,
void *here);
extern void skb_under_panic(struct sk_buff *skb, int len,
void *here);
extern void skb_truesize_bug(struct sk_buff *skb);
static inline void skb_truesize_check(struct sk_buff *skb)
{
if (unlikely((int)skb->truesize < sizeof(struct sk_buff) + skb->len))
skb_truesize_bug(skb);
}
extern int skb_append_datato_frags(struct sock *sk, struct sk_buff *skb,
int getfrag(void *from, char *to, int offset,

1
include/net/sock.h
View file

@ -454,6 +454,7 @@ static inline void sk_stream_set_owner_r(struct sk_buff *skb, struct sock *sk)
static inline void sk_stream_free_skb(struct sock *sk, struct sk_buff *skb)
{
skb_truesize_check(skb);
sock_set_flag(sk, SOCK_QUEUE_SHRUNK);
sk->sk_wmem_queued -= skb->truesize;
sk->sk_forward_alloc += skb->truesize;

20
net/bridge/netfilter/ebtables.c
View file

@ -831,7 +831,7 @@ static int translate_table(struct ebt_replace *repl,
return -ENOMEM;
for_each_possible_cpu(i) {
newinfo->chainstack[i] =
vmalloc(udc_cnt * sizeof(struct ebt_chainstack));
vmalloc(udc_cnt * sizeof(*(newinfo->chainstack[0])));
if (!newinfo->chainstack[i]) {
while (i)
vfree(newinfo->chainstack[--i]);
@ -841,8 +841,7 @@ static int translate_table(struct ebt_replace *repl,
}
}
cl_s = (struct ebt_cl_stack *)
vmalloc(udc_cnt * sizeof(struct ebt_cl_stack));
cl_s = vmalloc(udc_cnt * sizeof(*cl_s));
if (!cl_s)
return -ENOMEM;
i = 0; /* the i'th udc */
@ -944,8 +943,7 @@ static int do_replace(void __user *user, unsigned int len)
countersize = COUNTER_OFFSET(tmp.nentries) *
(highest_possible_processor_id()+1);
newinfo = (struct ebt_table_info *)
vmalloc(sizeof(struct ebt_table_info) + countersize);
newinfo = vmalloc(sizeof(*newinfo) + countersize);
if (!newinfo)
return -ENOMEM;
@ -967,8 +965,7 @@ static int do_replace(void __user *user, unsigned int len)
/* the user wants counters back
the check on the size is done later, when we have the lock */
if (tmp.num_counters) {
counterstmp = (struct ebt_counter *)
vmalloc(tmp.num_counters * sizeof(struct ebt_counter));
counterstmp = vmalloc(tmp.num_counters * sizeof(*counterstmp));
if (!counterstmp) {
ret = -ENOMEM;
goto free_entries;
@ -1148,8 +1145,7 @@ int ebt_register_table(struct ebt_table *table)
countersize = COUNTER_OFFSET(table->table->nentries) *
(highest_possible_processor_id()+1);
newinfo = (struct ebt_table_info *)
vmalloc(sizeof(struct ebt_table_info) + countersize);
newinfo = vmalloc(sizeof(*newinfo) + countersize);
ret = -ENOMEM;
if (!newinfo)
return -ENOMEM;
@ -1247,8 +1243,7 @@ static int update_counters(void __user *user, unsigned int len)
if (hlp.num_counters == 0)
return -EINVAL;
if ( !(tmp = (struct ebt_counter *)
vmalloc(hlp.num_counters * sizeof(struct ebt_counter))) ){
if (!(tmp = vmalloc(hlp.num_counters * sizeof(*tmp)))) {
MEMPRINT("Update_counters && nomemory\n");
return -ENOMEM;
}
@ -1377,8 +1372,7 @@ static int copy_everything_to_user(struct ebt_table *t, void __user *user,
BUGPRINT("Num_counters wrong\n");
return -EINVAL;
}
counterstmp = (struct ebt_counter *)
vmalloc(nentries * sizeof(struct ebt_counter));
counterstmp = vmalloc(nentries * sizeof(*counterstmp));
if (!counterstmp) {
MEMPRINT("Couldn't copy counters, out of memory\n");
return -ENOMEM;

8
net/core/skbuff.c
View file

@ -112,6 +112,14 @@ void skb_under_panic(struct sk_buff *skb, int sz, void *here)
BUG();
}
void skb_truesize_bug(struct sk_buff *skb)
{
printk(KERN_ERR "SKB BUG: Invalid truesize (%u) "
"len=%u, sizeof(sk_buff)=%Zd\n",
skb->truesize, skb->len, sizeof(struct sk_buff));
}
EXPORT_SYMBOL(skb_truesize_bug);
/* Allocate a new skbuff. We do this ourselves so we can fill in a few
* 'private' fields and also do memory statistics to find all the
* [BEEP] leaks.

1
net/core/stream.c
View file

@ -176,6 +176,7 @@ void sk_stream_rfree(struct sk_buff *skb)
{
struct sock *sk = skb->sk;
skb_truesize_check(skb);
atomic_sub(skb->truesize, &sk->sk_rmem_alloc);
sk->sk_forward_alloc += skb->truesize;
}

10
net/ipv4/tcp_output.c
View file

@ -533,6 +533,7 @@ int tcp_fragment(struct sock *sk, struct sk_buff *skb, u32 len, unsigned int mss
struct tcp_sock *tp = tcp_sk(sk);
struct sk_buff *buff;
int nsize, old_factor;
int nlen;
u16 flags;
BUG_ON(len > skb->len);
@ -552,8 +553,10 @@ int tcp_fragment(struct sock *sk, struct sk_buff *skb, u32 len, unsigned int mss
if (buff == NULL)
return -ENOMEM; /* We'll just try again later. */
buff->truesize = skb->len - len;
skb->truesize -= buff->truesize;
sk_charge_skb(sk, buff);
nlen = skb->len - len - nsize;
buff->truesize += nlen;
skb->truesize -= nlen;
/* Correct the sequence numbers. */
TCP_SKB_CB(buff)->seq = TCP_SKB_CB(skb)->seq + len;
@ -1039,7 +1042,8 @@ static int tso_fragment(struct sock *sk, struct sk_buff *skb, unsigned int len,
if (unlikely(buff == NULL))
return -ENOMEM;
buff->truesize = nlen;
sk_charge_skb(sk, buff);
buff->truesize += nlen;
skb->truesize -= nlen;
/* Correct the sequence numbers. */

3
net/llc/llc_input.c
View file

@ -118,7 +118,8 @@ static inline int llc_fixup_skb(struct sk_buff *skb)
u16 pdulen = eth_hdr(skb)->h_proto,
data_size = ntohs(pdulen) - llc_len;
skb_trim(skb, data_size);
if (unlikely(pskb_trim_rcsum(skb, data_size)))
return 0;
}
return 1;
}

1
net/socket.c
View file

@ -490,6 +490,7 @@ static struct socket *sockfd_lookup_light(int fd, int *err, int *fput_needed)
struct file *file;
struct socket *sock;
*err = -EBADF;
file = fget_light(fd, fput_needed);
if (file) {
sock = sock_from_file(file, err);