From: Gerd Knorr <kraxel@suse.de>

Don't try to access the i2c bus if the register wasn't successful.

Signed-off-by: Gerd Knorr <kraxel@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---

 drivers/media/video/bttv-i2c.c |    3 +++
 1 files changed, 3 insertions(+)

diff -puN drivers/media/video/bttv-i2c.c~v4l-bttv-i2c-oops-fix drivers/media/video/bttv-i2c.c
--- 25/drivers/media/video/bttv-i2c.c~v4l-bttv-i2c-oops-fix	2005-05-25 12:30:23.000000000 -0700
+++ 25-akpm/drivers/media/video/bttv-i2c.c	2005-05-25 12:30:23.000000000 -0700
@@ -363,6 +363,9 @@ int bttv_I2CWrite(struct bttv *btv, unsi
 /* read EEPROM content */
 void __devinit bttv_readee(struct bttv *btv, unsigned char *eedata, int addr)
 {
+	memset(eedata, 0, 256);
+	if (0 != btv->i2c_rc)
+		return;
 	btv->i2c_client.addr = addr >> 1;
 	tveeprom_read(&btv->i2c_client, eedata, 256);
 }
_