Messages in this thread Patch in this message | | | From | Kang Chen <> | Subject | [PATCH] staging: r8188eu: add a null check of kzalloc in go_add_group_info_attr | Date | Sun, 26 Feb 2023 21:25:00 +0800 |
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kzalloc may fails, pdata_attr might be null and will cause illegal address access later.
Signed-off-by: Kang Chen <void0red@gmail.com> --- drivers/staging/r8188eu/core/rtw_p2p.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/staging/r8188eu/core/rtw_p2p.c b/drivers/staging/r8188eu/core/rtw_p2p.c index 93d3c9c43..802e1170a 100644 --- a/drivers/staging/r8188eu/core/rtw_p2p.c +++ b/drivers/staging/r8188eu/core/rtw_p2p.c @@ -31,6 +31,8 @@ static u32 go_add_group_info_attr(struct wifidirect_info *pwdinfo, u8 *pbuf) struct sta_priv *pstapriv = &padapter->stapriv; pdata_attr = kzalloc(MAX_P2P_IE_LEN, GFP_KERNEL); + if (!pdata_attr) + return 0; pstart = pdata_attr; pcur = pdata_attr; -- 2.34.1
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