radeonfb: give i2c buses nicer names

The name of the i2c buses shows in the output of "i2cdetect -l", so
it's important to give informative names.
Signed-off-by: NJean Delvare <khali@linux-fr.org>
Acked-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

drivers/video/aty/radeon_i2c.c

@@ -69,7 +69,8 @@ static int radeon_setup_i2c_bus(struct radeon_i2c_chan *chan, const char *name)
 {
 	int rc;
 
-	strcpy(chan->adapter.name, name);
+	snprintf(chan->adapter.name, sizeof(chan->adapter.name),
+		 "radeonfb %s", name);
 	chan->adapter.owner		= THIS_MODULE;
 	chan->adapter.id		= I2C_HW_B_RADEON;
 	chan->adapter.algo_data		= &chan->algo;