Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) client-ip=2620:137:e000::1:18;
Message-ID: <tencent_833C53E9E95F05049BD9297781E387622005@qq.com>
From:   xkernel.wang@foxmail.com
To:     gregkh@linuxfoundation.org
Cc:     Larry.Finger@lwfinger.net, florian.c.schilhabel@googlemail.com,
        linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org,
        Xiaoke Wang <xkernel.wang@foxmail.com>
Subject: [PATCH v3 2/3] staging: rtl8712: change the type of _r8712_init_recv_priv()
Date:   Wed,  6 Apr 2022 11:55:37 +0800
In-Reply-To: <tencent_8289F062A5E3FF2C104466AF5C5A0E1B0A07@qq.com>
References: <tencent_8289F062A5E3FF2C104466AF5C5A0E1B0A07@qq.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: bulk

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

There is a memory allocation in _r8712_init_recv_priv().  
However, since the original type of this function is `void`, its error 
status can not be feedbacked to its caller.
Therefore, to make the error of allocation failures propagate to its 
caller easily, this patch changes the type of this function to `int`.

Signed-off-by: Xiaoke Wang <xkernel.wang@foxmail.com>
---
ChangeLog:
v1->v2 remove kmemleak_not_leak().
v2->v3 update the description.
 drivers/staging/rtl8712/recv_osdep.h   | 2 +-
 drivers/staging/rtl8712/rtl871x_recv.c | 6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/rtl8712/recv_osdep.h b/drivers/staging/rtl8712/recv_osdep.h
index d8c1fa7..f5b97c5 100644
--- a/drivers/staging/rtl8712/recv_osdep.h
+++ b/drivers/staging/rtl8712/recv_osdep.h
@@ -18,7 +18,7 @@
 #include "drv_types.h"
 #include <linux/skbuff.h>
 
-void _r8712_init_recv_priv(struct recv_priv *precvpriv,
+int _r8712_init_recv_priv(struct recv_priv *precvpriv,
 			   struct _adapter *padapter);
 void _r8712_free_recv_priv(struct recv_priv *precvpriv);
 void r8712_recv_entry(union recv_frame *precv_frame);
diff --git a/drivers/staging/rtl8712/rtl871x_recv.c b/drivers/staging/rtl8712/rtl871x_recv.c
index c23f6b3..3464ee2 100644
--- a/drivers/staging/rtl8712/rtl871x_recv.c
+++ b/drivers/staging/rtl8712/rtl871x_recv.c
@@ -44,7 +44,7 @@ void _r8712_init_sta_recv_priv(struct sta_recv_priv *psta_recvpriv)
 	_init_queue(&psta_recvpriv->defrag_q);
 }
 
-void _r8712_init_recv_priv(struct recv_priv *precvpriv,
+int _r8712_init_recv_priv(struct recv_priv *precvpriv,
 			   struct _adapter *padapter)
 {
 	sint i;
@@ -60,8 +60,7 @@ void _r8712_init_recv_priv(struct recv_priv *precvpriv,
 				sizeof(union recv_frame) + RXFRAME_ALIGN_SZ,
 				GFP_ATOMIC);
 	if (!precvpriv->pallocated_frame_buf)
-		return;
-	kmemleak_not_leak(precvpriv->pallocated_frame_buf);
+		return -ENOMEM;
 	precvpriv->precv_frame_buf = precvpriv->pallocated_frame_buf +
 				    RXFRAME_ALIGN_SZ -
 				    ((addr_t)(precvpriv->pallocated_frame_buf) &
@@ -77,6 +76,7 @@ void _r8712_init_recv_priv(struct recv_priv *precvpriv,
 	}
 	precvpriv->rx_pending_cnt = 1;
 	r8712_init_recv_priv(precvpriv, padapter);
+	return 0;
 }
 
 void _r8712_free_recv_priv(struct recv_priv *precvpriv)
--