[PATCH] v4l: bttv i2c oops fix
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>
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@ -363,6 +363,9 @@ int bttv_I2CWrite(struct bttv *btv, unsigned char addr, unsigned char b1,
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/* read EEPROM content */
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void __devinit bttv_readee(struct bttv *btv, unsigned char *eedata, int addr)
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{
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memset(eedata, 0, 256);
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if (0 != btv->i2c_rc)
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return;
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btv->i2c_client.addr = addr >> 1;
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tveeprom_read(&btv->i2c_client, eedata, 256);
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}
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