Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee13...

[pandora-kernel.git] / drivers / i2c / busses / i2c-mv64xxx.c

diff --git a/drivers/i2c/busses/i2c-mv64xxx.c b/drivers/i2c/busses/i2c-mv64xxx.c
index 22781d8..eacbaf7 100644 (file)
--- a/drivers/i2c/busses/i2c-mv64xxx.c
+++ b/drivers/i2c/busses/i2c-mv64xxx.c
@@ -431,7 +431,7 @@ mv64xxx_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int num)
        return num;
 }
 
-static struct i2c_algorithm mv64xxx_i2c_algo = {
+static const struct i2c_algorithm mv64xxx_i2c_algo = {
        .master_xfer = mv64xxx_i2c_xfer,
        .functionality = mv64xxx_i2c_functionality,
 };
@@ -516,6 +516,10 @@ mv64xxx_i2c_probe(struct platform_device *pd)
        drv_data->freq_m = pdata->freq_m;
        drv_data->freq_n = pdata->freq_n;
        drv_data->irq = platform_get_irq(pd, 0);
+       if (drv_data->irq < 0) {
+               rc = -ENXIO;
+               goto exit_unmap_regs;
+       }
        drv_data->adapter.id = I2C_HW_MV64XXX;
        drv_data->adapter.algo = &mv64xxx_i2c_algo;
        drv_data->adapter.owner = THIS_MODULE;