From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Sun, 23 Sep 2012 16:31:30 +0000 (+0300)
Subject: staging: rts5139: use kzalloc() to close an info leak
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=55e7b4fbd47a510b6c8ca53eaf7d9dff816cd26c;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git

staging: rts5139: use kzalloc() to close an info leak

If we don't fill the whole buffer then there is information leaked to
the user.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/staging/rts5139/rts51x_fop.c b/drivers/staging/rts5139/rts51x_fop.c
index e1200fe8957..bf1a9e64e87 100644
--- a/drivers/staging/rts5139/rts51x_fop.c
+++ b/drivers/staging/rts5139/rts51x_fop.c
@@ -79,7 +79,7 @@ static int rts51x_sd_direct_cmnd(struct rts51x_chip *chip,
 
 	case 1:
 		/* Read from card */
-		buf = kmalloc(cmnd->buf_len, GFP_KERNEL);
+		buf = kzalloc(cmnd->buf_len, GFP_KERNEL);
 		if (!buf)
 			TRACE_RET(chip, STATUS_NOMEM);