Messages in this thread Patch in this message | | | From | Aditya Pakki <> | Subject | [PATCH] staging: rtl8188eu: Fix potential NULL pointer dereference | Date | Wed, 13 Mar 2019 12:11:30 -0500 |
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hwxmits is allocated via kcalloc and not checked for failure before its dereference. The patch fixes this problem similar to rtl8723bs.
Signed-off-by: Aditya Pakki <pakki001@umn.edu> --- drivers/staging/rtl8188eu/core/rtw_xmit.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/staging/rtl8188eu/core/rtw_xmit.c b/drivers/staging/rtl8188eu/core/rtw_xmit.c index 1723a47a96b4..a557ed37923a 100644 --- a/drivers/staging/rtl8188eu/core/rtw_xmit.c +++ b/drivers/staging/rtl8188eu/core/rtw_xmit.c @@ -1512,6 +1512,10 @@ void rtw_alloc_hwxmits(struct adapter *padapter) pxmitpriv->hwxmits = kcalloc(pxmitpriv->hwxmit_entry, sizeof(struct hw_xmit), GFP_KERNEL); + if (!pxmitpriv->hwxmits) { + DBG_88E("alloc hwxmits fail!...\n"); + return; + } hwxmits = pxmitpriv->hwxmits; -- 2.17.1
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