Checks for NULL dev_alloc_skb() and returns on true to avoid subsequent
dereference.
Cc: Jeff Garzik <[email protected]>
Cc: Christoph Hellwig <[email protected]>
Signed-off-by: David Rientjes <[email protected]>
---
drivers/net/s2io.c | 11 ++++++++++-
1 files changed, 10 insertions(+), 1 deletions(-)
diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c
index a231ab7..33569ec 100644
--- a/drivers/net/s2io.c
+++ b/drivers/net/s2io.c
@@ -5985,6 +5985,11 @@ static int set_rxd_buffer_pointer(nic_t
((RxD3_t*)rxdp)->Buffer1_ptr = *temp1;
} else {
*skb = dev_alloc_skb(size);
+ if (!(*skb)) {
+ DBG_PRINT(ERR_DBG, "%s: dev_alloc_skb failed\n",
+ dev->name);
+ return -ENOMEM;
+ }
((RxD3_t*)rxdp)->Buffer2_ptr = *temp2 =
pci_map_single(sp->pdev, (*skb)->data,
dev->mtu + 4,
@@ -6007,7 +6012,11 @@ static int set_rxd_buffer_pointer(nic_t
((RxD3_t*)rxdp)->Buffer2_ptr = *temp2;
} else {
*skb = dev_alloc_skb(size);
-
+ if (!(*skb)) {
+ DBG_PRINT(ERR_DBG, "%s: dev_alloc_skb failed\n",
+ dev->name);
+ return -ENOMEM;
+ }
((RxD3_t*)rxdp)->Buffer0_ptr = *temp0 =
pci_map_single(sp->pdev, ba->ba_0, BUF0_LEN,
PCI_DMA_FROMDEVICE);
-
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