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[PATCH] v4l: bttv i2c oops fix

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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>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Gerd Knorr 2005-05-25 12:31:26 -07:00 committed by Linus Torvalds
parent 1b981021e8
commit 5daf05fbf7
1 changed files with 3 additions and 0 deletions
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3
drivers/media/video/bttv-i2c.c
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@ -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);
}