Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
Date:   Sun, 16 Jun 2019 08:44:09 +0530
From:   Hariprasad Kelam <hariprasad.kelam@gmail.com>
To:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Hans de Goede <hdegoede@redhat.com>,
        Arnd Bergmann <arnd@arndb.de>,
        Colin Ian King <colin.king@canonical.com>,
        Hariprasad Kelam <hariprasad.kelam@gmail.com>,
        Payal Kshirsagar <payal.s.kshirsagar.98@gmail.com>,
        Madhumitha Prabakaran <madhumithabiw@gmail.com>,
        Nishka Dasgupta <nishka.dasgupta@yahoo.com>,
        devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org
Subject: [PATCH] staging: rtl8723bs: hal: Add null check after memory
 allocation
Message-ID: <20190616031409.GA13001@hari-Inspiron-1545>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
User-Agent: Mutt/1.5.24 (2015-08-30)
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

Add NULL check post call to rtw_zmalloc.

Signed-off-by: Hariprasad Kelam <hariprasad.kelam@gmail.com>
---
 drivers/staging/rtl8723bs/hal/sdio_ops.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/staging/rtl8723bs/hal/sdio_ops.c b/drivers/staging/rtl8723bs/hal/sdio_ops.c
index ac79de8..9177c18 100644
--- a/drivers/staging/rtl8723bs/hal/sdio_ops.c
+++ b/drivers/staging/rtl8723bs/hal/sdio_ops.c
@@ -816,6 +816,9 @@ void clearinterrupt8723bsdio(struct adapter *adapter)
 	haldata = GET_HAL_DATA(adapter);
 	clear = rtw_zmalloc(4);
 
+	if (!clear)
+		return;
+
 	/*  Clear corresponding HISR Content if needed */
 	*(__le32 *)clear = cpu_to_le32(haldata->sdio_hisr & MASK_SDIO_HISR_CLEAR);
 	if (*(__le32 *)clear) {
-- 
2.7.4