[patch] v4l: bttv i2c oops fix

[Gerd Knorr]

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

Signed-off-by: Gerd Knorr <kraxel@xxxxxxx>
---
 drivers/media/video/bttv-i2c.c |    3 +++
 1 files changed, 3 insertions(+)

Index: linux-2.6.12-rc3/drivers/media/video/bttv-i2c.c
===================================================================
--- linux-2.6.12-rc3.orig/drivers/media/video/bttv-i2c.c	2005-04-26 12:18:56.000000000 +0200
+++ linux-2.6.12-rc3/drivers/media/video/bttv-i2c.c	2005-05-24 14:17:01.000000000 +0200
@@ -365,6 +365,9 @@ 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);
 }

-- 
-mm seems unusually stable at present.
	-- akpm about 2.6.12-rc3-mm3
-
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