linux-kernel - [patch 4/6] staging: gdm72xx: zero out padding

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Message-ID: <20160222193238.GD23565@mwanda>
Date:	Mon, 22 Feb 2016 22:32:38 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Sudip Mukherjee <sudipm.mukherjee@...il.com>,
	Alison Schofield <amsfield22@...il.com>,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org
Subject: [patch 4/6] staging: gdm72xx: zero out padding

We pad the start of this buffer with 256 bytes of padding.   It's not
clear to me exactly what's going on or how it's used but let's zero it
out.

Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>

diff --git a/drivers/staging/gdm72xx/usb_boot.c b/drivers/staging/gdm72xx/usb_boot.c
index 3082987..4431a80 100644
--- a/drivers/staging/gdm72xx/usb_boot.c
+++ b/drivers/staging/gdm72xx/usb_boot.c
@@ -286,7 +286,7 @@ static int em_download_image(struct usb_device *usbdev, const char *img_name,
 		return ret;
 	}
 
-	buf = kmalloc(DOWNLOAD_CHUCK + pad_size, GFP_KERNEL);
+	buf = kzalloc(DOWNLOAD_CHUCK + pad_size, GFP_KERNEL);
 	if (!buf) {
 		release_firmware(firm);
 		return -ENOMEM;