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[2003:dc:d710:9200:428d:5cff:feb9:9db8]) by smtp.googlemail.com with ESMTPSA id y5sm48577069wrd.97.2019.03.01.09.38.53 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 01 Mar 2019 09:38:54 -0800 (PST) From: Martin Blumenstingl To: linux-amlogic@lists.infradead.org, linux-mtd@lists.infradead.org, liang.yang@amlogic.com Subject: [PATCH 1/2] mtd: rawnand: meson: add missing ENOMEM check in meson_nfc_read_buf() Date: Fri, 1 Mar 2019 18:38:19 +0100 Message-Id: <20190301173820.30776-2-martin.blumenstingl@googlemail.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190301173820.30776-1-martin.blumenstingl@googlemail.com> References: <20190301173820.30776-1-martin.blumenstingl@googlemail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190301_093857_216916_683F3B0E X-CRM114-Status: GOOD ( 10.76 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: jianxin.pan@amlogic.com, bbrezillon@kernel.org, Martin Blumenstingl , richard@nod.at, linux-kernel@vger.kernel.org, miquel.raynal@bootlin.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org kzalloc() can return NULL if memory could not be allocated. Check the return value of the kzalloc() call in meson_nfc_read_buf() to make it consistent with other memory allocations within the meson_nand driver. Fixes: 8fae856c53500a ("mtd: rawnand: meson: add support for Amlogic NAND flash controller") Signed-off-by: Martin Blumenstingl --- drivers/mtd/nand/raw/meson_nand.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/mtd/nand/raw/meson_nand.c b/drivers/mtd/nand/raw/meson_nand.c index 3e8aa71407b5..a1d8506b61c7 100644 --- a/drivers/mtd/nand/raw/meson_nand.c +++ b/drivers/mtd/nand/raw/meson_nand.c @@ -528,6 +528,9 @@ static int meson_nfc_read_buf(struct nand_chip *nand, u8 *buf, int len) u8 *info; info = kzalloc(PER_INFO_BYTE, GFP_KERNEL); + if (!info) + return -ENOMEM; + ret = meson_nfc_dma_buffer_setup(nand, buf, len, info, PER_INFO_BYTE, DMA_FROM_DEVICE); if (ret) -- 2.21.0 _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic