linux-kernel - [PATCH 2/3] staging: rtl8712: add two validation check in r8712_init_drv

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Message-ID: <tencent_3096E1464A73FF232014CC40B9001C551408@qq.com>
Date:   Fri,  1 Apr 2022 01:07:45 +0800
From:   xkernel.wang@...mail.com
To:     gregkh@...uxfoundation.org
Cc:     Larry.Finger@...inger.net, florian.c.schilhabel@...glemail.com,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Xiaoke Wang <xkernel.wang@...mail.com>
Subject: [PATCH 2/3] staging: rtl8712: add two validation check in r8712_init_drv_sw()

From: Xiaoke Wang <xkernel.wang@...mail.com>

_r8712_init_xmit_priv() or _r8712_init_recv_priv() returns -ENOMEM
when some allocations inside it failed.
So it is better to check the return status of them.

Signed-off-by: Xiaoke Wang <xkernel.wang@...mail.com>
---
 drivers/staging/rtl8712/os_intfs.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/rtl8712/os_intfs.c b/drivers/staging/rtl8712/os_intfs.c
index 9502f6a..163baaa 100644
--- a/drivers/staging/rtl8712/os_intfs.c
+++ b/drivers/staging/rtl8712/os_intfs.c
@@ -308,8 +308,12 @@ int r8712_init_drv_sw(struct _adapter *padapter)
 	ret = r8712_init_mlme_priv(padapter);
 	if (ret)
 		return ret;
-	_r8712_init_xmit_priv(&padapter->xmitpriv, padapter);
-	_r8712_init_recv_priv(&padapter->recvpriv, padapter);
+	ret = _r8712_init_xmit_priv(&padapter->xmitpriv, padapter);
+	if (ret)
+		return ret;
+	ret = _r8712_init_recv_priv(&padapter->recvpriv, padapter);
+	if (ret)
+		return ret;
 	memset((unsigned char *)&padapter->securitypriv, 0,
 	       sizeof(struct security_priv));
 	timer_setup(&padapter->securitypriv.tkip_timer,
--