From: David Rientjes <[EMAIL PROTECTED]>
If the next descriptor array entry cannot be allocated by dev_alloc_skb(),
return immediately so it is not dereferenced later. We cannot register the
device with a partial descriptor list.
Cc: Mikael Starvik <[EMAIL PROTECTED]>
Signed-off-by: David Rientjes <[EMAIL PROTECTED]>
Cc: Jeff Garzik <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
---
drivers/net/cris/eth_v10.c | 2 ++
1 file changed, 2 insertions(+)
diff -puN drivers/net/cris/eth_v10.c~drivers-cris-return-on-null-dev_alloc_skb
drivers/net/cris/eth_v10.c
--- a/drivers/net/cris/eth_v10.c~drivers-cris-return-on-null-dev_alloc_skb
+++ a/drivers/net/cris/eth_v10.c
@@ -509,6 +509,8 @@ etrax_ethernet_init(void)
* does not share cacheline with any other data (to avoid cache
bug)
*/
RxDescList[i].skb = dev_alloc_skb(MAX_MEDIA_DATA_SIZE + 2 *
L1_CACHE_BYTES);
+ if (!RxDescList[i].skb)
+ return -ENOMEM;
RxDescList[i].descr.ctrl = 0;
RxDescList[i].descr.sw_len = MAX_MEDIA_DATA_SIZE;
RxDescList[i].descr.next = virt_to_phys(&RxDescList[i + 1]);
_
-
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