linux-kernel - [PATCH 3/3] staging: rtl8188eu: add release_firmware() between request

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Message-ID: <20160211182530.GA3205@alpha.sfu-kras.ru>
Date:	Fri, 12 Feb 2016 01:25:30 +0700
From:	Ivan Safonov <insafonov@...il.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Ivan Safonov <insafonov@...il.com>,
	Dan Carpenter <dan.carpenter@...cle.com>,
	Vatika Harlalka <vatikaharlalka@...il.com>,
	Amitoj Kaur Chawla <amitoj1606@...il.com>,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: [PATCH 3/3] staging: rtl8188eu: add release_firmware() between
 request_firmware and function error exit

Small memory leak fixed.

Signed-off-by: Ivan Safonov <insafonov@...il.com>
---
 drivers/staging/rtl8188eu/hal/fw.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/rtl8188eu/hal/fw.c b/drivers/staging/rtl8188eu/hal/fw.c
index 55c17df..656133c 100644
--- a/drivers/staging/rtl8188eu/hal/fw.c
+++ b/drivers/staging/rtl8188eu/hal/fw.c
@@ -175,14 +175,17 @@ int rtl88eu_download_fw(struct adapter *adapt)
 	if (fw->size > FW_8188E_SIZE) {
 		dev_err(device, "Firmware size exceed 0x%X. Check it.\n",
 			FW_8188E_SIZE);
+		release_firmware(fw);
 		return -1;
 	}
 
 	trailing_zeros_length = (4 - fw->size % 4) % 4;
 
 	fw_data = kmalloc(fw->size + trailing_zeros_length, GFP_KERNEL);
-	if (!fw_data)
+	if (!fw_data) {
+		release_firmware(fw);
 		return -ENOMEM;
+	}
 
 	memcpy(fw_data, fw->data, fw->size);
 	memset(fw_data + fw->size, 0, trailing_zeros_length);
-- 
2.4.10