Staging: rtl8192e: rtllib_rx: checking NULL value after doing dev_alloc_skb
Checking the return of dev_alloc_skb as stated in the following bug:
https://bugzilla.kernel.org/show_bug.cgi?id=60401
Reported-by: RUC_Soft_Sec rucsoftsec@gmail.com
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Iker Pedrosa <ikerpedrosam@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/rtl8192e/rtllib_rx.c b/drivers/staging/rtl8192e/rtllib_rx.c
index e75364e..6a51f29 100644
--- a/drivers/staging/rtl8192e/rtllib_rx.c
+++ b/drivers/staging/rtl8192e/rtllib_rx.c
@@ -777,6 +777,8 @@
/* Allocate new skb for releasing to upper layer */
sub_skb = dev_alloc_skb(RTLLIB_SKBBUFFER_SIZE);
+ if (!sub_skb)
+ return 0;
skb_reserve(sub_skb, 12);
data_ptr = (u8 *)skb_put(sub_skb, skb->len);
memcpy(data_ptr, skb->data, skb->len);
@@ -825,6 +827,8 @@
/* Allocate new skb for releasing to upper layer */
sub_skb = dev_alloc_skb(nSubframe_Length + 12);
+ if (!sub_skb)
+ return 0;
skb_reserve(sub_skb, 12);
data_ptr = (u8 *)skb_put(sub_skb, nSubframe_Length);
memcpy(data_ptr, skb->data, nSubframe_Length);