[PATCH] Staging: rtl8188eu fix buffer overflow

[Matteo Semenzato]

From: Matteo Semenzato <mattew8898@xxxxxxxxx>

This patch fixes the buffer overflow caused by accessing index 4 of hwxmits.

Signed-off-by: Matteo Semenzato <mattew8898@xxxxxxxxx>
---
 drivers/staging/rtl8188eu/core/rtw_xmit.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/rtl8188eu/core/rtw_xmit.c b/drivers/staging/rtl8188eu/core/rtw_xmit.c
index 7a71df1..7b22779 100644
--- a/drivers/staging/rtl8188eu/core/rtw_xmit.c
+++ b/drivers/staging/rtl8188eu/core/rtw_xmit.c
@@ -1631,10 +1631,12 @@ void rtw_alloc_hwxmits(struct adapter *padapter)
 {
 	struct hw_xmit *hwxmits;
 	struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
+	size_t size;
 
 	pxmitpriv->hwxmit_entry = HWXMIT_ENTRY;
 
-	pxmitpriv->hwxmits = kzalloc(sizeof(struct hw_xmit) * pxmitpriv->hwxmit_entry, GFP_KERNEL);
+	size =  sizeof(struct hw_xmit) * (pxmitpriv->hwxmit_entry + 1);
+	pxmitpriv->hwxmits = kzalloc(size, GFP_KERNEL);
 
 	hwxmits = pxmitpriv->hwxmits;
 
-- 
2.3.2

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