From: Ben Chan <benchan@chromium.org>
Date: Sat, 28 Jun 2014 06:17:24 +0000 (-0700)
Subject: staging: gdm72xx: return -EINVAL instead of BUG_ON for invalid data length
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=0fbce84c6f0c5ba7ce2be5fec19caaca62586883;p=linux-beck.git

staging: gdm72xx: return -EINVAL instead of BUG_ON for invalid data length

This patch changes gdm_usb_send() and gdm_sdio_send() to return -EINVAL instead
of calling BUG_ON if an invalid data length is passed to the functions.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Reported-by: Michalis Pappas <mpappas@fastmail.fm>
Signed-off-by: Ben Chan <benchan@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/staging/gdm72xx/gdm_sdio.c b/drivers/staging/gdm72xx/gdm_sdio.c
index 0c6a3eb00e84..9d2de6ff7903 100644
--- a/drivers/staging/gdm72xx/gdm_sdio.c
+++ b/drivers/staging/gdm72xx/gdm_sdio.c
@@ -390,7 +390,8 @@ static int gdm_sdio_send(void *priv_dev, void *data, int len,
 	u16 cmd_evt;
 	unsigned long flags;
 
-	BUG_ON(len > TX_BUF_SIZE - TYPE_A_HEADER_SIZE);
+	if (len > TX_BUF_SIZE - TYPE_A_HEADER_SIZE)
+		return -EINVAL;
 
 	spin_lock_irqsave(&tx->lock, flags);
 
diff --git a/drivers/staging/gdm72xx/gdm_usb.c b/drivers/staging/gdm72xx/gdm_usb.c
index cd8e6e483e70..971976cd8d0c 100644
--- a/drivers/staging/gdm72xx/gdm_usb.c
+++ b/drivers/staging/gdm72xx/gdm_usb.c
@@ -312,7 +312,8 @@ static int gdm_usb_send(void *priv_dev, void *data, int len,
 		return -ENODEV;
 	}
 
-	BUG_ON(len > TX_BUF_SIZE - padding - 1);
+	if (len > TX_BUF_SIZE - padding - 1)
+		return -EINVAL;
 
 	spin_lock_irqsave(&tx->lock, flags);