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staging: octeon-ethernet: remove skb alloc failure warnings 

Remove skb allocation failure warnings. They will trigger a page
allocation warning already. Also, one of the warnings was not ratelimited,
causing the box to lock up under heavy traffic & low memory.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Acked-by: David Daney <david.daney@cavium.com>
Acked-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Aaro Koskinen 2013-09-05 21:44:00 +03:00 committed by Greg Kroah-Hartman
parent ed12cd612a
commit c35656db4d
2 changed files with 1 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/staging/octeon/ethernet-mem.c
View File

@ -48,13 +48,8 @@ static int cvm_oct_fill_hw_skbuff(int pool, int size, int elements)
while (freed) {
struct sk_buff *skb = dev_alloc_skb(size + 256);
if (unlikely(skb == NULL)) {
pr_warning
("Failed to allocate skb for hardware pool %d\n",
pool);
if (unlikely(skb == NULL))
break;
}
skb_reserve(skb, 256 - (((unsigned long)skb->data) & 0x7f));
*(struct sk_buff **)(skb->data - sizeof(void *)) = skb;
cvmx_fpa_free(skb->data, pool, DONT_WRITEBACK(size / 128));

3
drivers/staging/octeon/ethernet-rx.c
View File

@ -337,9 +337,6 @@ static int cvm_oct_napi_poll(struct napi_struct *napi, int budget)
*/
skb = dev_alloc_skb(work->len);
if (!skb) {
printk_ratelimited("Port %d failed to allocate "
"skbuff, packet dropped\n",
work->ipprt);
cvm_oct_free_work(work);
continue;
}