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]>
---
drivers/net/cris/eth_v10.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/drivers/net/cris/eth_v10.c b/drivers/net/cris/eth_v10.c
index 966b563..a03d781 100644
--- a/drivers/net/cris/eth_v10.c
+++ b/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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