From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Date: Tue, 26 Mar 2013 07:45:11 +0000 (-0300)
Subject: [media] go7007: fix invalid use of sizeof in go7007_usb_i2c_master_xfer()
X-Git-Tag: v3.10-rc1~136^2~175
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=02745f63443c08b9b82ab2d654a0f5fc3699e586;p=platform%2Fupstream%2Fkernel-adaptation-pc.git

[media] go7007: fix invalid use of sizeof in go7007_usb_i2c_master_xfer()

sizeof() when applied to a pointer typed expression gives the
size of the pointer, not that of the pointed data.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---

diff --git a/drivers/staging/media/go7007/go7007-usb.c b/drivers/staging/media/go7007/go7007-usb.c
index a734ead..50066e0 100644
--- a/drivers/staging/media/go7007/go7007-usb.c
+++ b/drivers/staging/media/go7007/go7007-usb.c
@@ -1037,7 +1037,7 @@ static int go7007_usb_i2c_master_xfer(struct i2c_adapter *adapter,
 						buf, buf_len, 0) < 0)
 			goto i2c_done;
 		if (msgs[i].flags & I2C_M_RD) {
-			memset(buf, 0, sizeof(buf));
+			memset(buf, 0, msgs[i].len + 1);
 			if (go7007_usb_vendor_request(go, 0x25, 0, 0, buf,
 						msgs[i].len + 1, 1) < 0)
 				goto i2c_done;