diff --git a/drivers/staging/bcm/Bcmchar.c b/drivers/staging/bcm/Bcmchar.c
index 1905a83b33856ba37b534c4e4f6c0ad80b8b7ff2..4c433538397780f66a2343dea9afa0918987177b 100644
--- a/drivers/staging/bcm/Bcmchar.c
+++ b/drivers/staging/bcm/Bcmchar.c
@@ -690,6 +690,9 @@ static long bcm_char_ioctl(struct file *filp, UINT cmd, ULONG arg)
 		if (IoBuffer.InputLength < sizeof(struct link_request))
 			return -EINVAL;
 
+		if (IoBuffer.InputLength > MAX_CNTL_PKT_SIZE)
+			return -EINVAL;
+
 		pvBuffer = kmalloc(IoBuffer.InputLength, GFP_KERNEL);
 		if (!pvBuffer)
 			return -ENOMEM;
diff --git a/drivers/staging/bcm/Misc.c b/drivers/staging/bcm/Misc.c
index c5b3a3666bc7973436e0137342c05d20523b457a..9da94086987f22c07b6b80cc65c7b2655e066407 100644
--- a/drivers/staging/bcm/Misc.c
+++ b/drivers/staging/bcm/Misc.c
@@ -421,6 +421,10 @@ INT CopyBufferToControlPacket(PMINI_ADAPTER Adapter,/**<Logical Adapter*/
 				pLeader->PLength = pktlen;
 			}
 		}
+
+		if (pktlen + LEADER_SIZE > MAX_CNTL_PKT_SIZE)
+			return -EINVAL;
+
 		memset(ctrl_buff, 0, pktlen+LEADER_SIZE);
 		BCM_DEBUG_PRINT(Adapter,DBG_TYPE_TX, TX_CONTROL, DBG_LVL_ALL, "Copying the Control Packet Buffer with length=%d\n", pLeader->PLength);
 		*(PLEADER)ctrl_buff=*pLeader;