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Commit 5daf05fb authored by Gerd Knorr's avatar Gerd Knorr Committed by Linus Torvalds
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[PATCH] v4l: bttv i2c oops fix 



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

Signed-off-by: default avatarGerd Knorr <kraxel@suse.de>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 1b981021

drivers/media/video/bttv-i2c.c

+3 −0
Original line number Diff line number Diff line
@@ -363,6 +363,9 @@ int bttv_I2CWrite(struct bttv *btv, unsigned char addr, unsigned char b1, 
/* 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);

}