Commit 6a8ca245 authored by Aditya Pakki's avatar Aditya Pakki Committed by Greg Kroah-Hartman

staging: rtlwifi: Fix potential NULL pointer dereference of kzalloc

phydm.internal is allocated using kzalloc which is used multiple
times without a check for NULL pointer. This patch avoids such a
scenario by returning 0, consistent with the failure case.
Signed-off-by: default avatarAditya Pakki <pakki001@umn.edu>
Reviewed-by: default avatarMukesh Ojha <mojha@codeaurora.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 22c971db
...@@ -180,6 +180,8 @@ static int rtl_phydm_init_priv(struct rtl_priv *rtlpriv, ...@@ -180,6 +180,8 @@ static int rtl_phydm_init_priv(struct rtl_priv *rtlpriv,
rtlpriv->phydm.internal = rtlpriv->phydm.internal =
kzalloc(sizeof(struct phy_dm_struct), GFP_KERNEL); kzalloc(sizeof(struct phy_dm_struct), GFP_KERNEL);
if (!rtlpriv->phydm.internal)
return 0;
_rtl_phydm_init_com_info(rtlpriv, ic, params); _rtl_phydm_init_com_info(rtlpriv, ic, params);
......
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