diff options
Diffstat (limited to 'drivers/i2c/busses')
-rw-r--r-- | drivers/i2c/busses/i2c-iop3xx.c | 9 | ||||
-rw-r--r-- | drivers/i2c/busses/i2c-mpc.c | 5 | ||||
-rw-r--r-- | drivers/i2c/busses/i2c-mv64xxx.c | 4 |
3 files changed, 16 insertions, 2 deletions
diff --git a/drivers/i2c/busses/i2c-iop3xx.c b/drivers/i2c/busses/i2c-iop3xx.c index 1414851a17b..d00a02fc23e 100644 --- a/drivers/i2c/busses/i2c-iop3xx.c +++ b/drivers/i2c/busses/i2c-iop3xx.c @@ -434,7 +434,7 @@ static int iop3xx_i2c_probe(struct platform_device *pdev) { struct resource *res; - int ret; + int ret, irq; struct i2c_adapter *new_adapter; struct i2c_algo_iop3xx_data *adapter_data; @@ -470,7 +470,12 @@ iop3xx_i2c_probe(struct platform_device *pdev) goto release_region; } - ret = request_irq(platform_get_irq(pdev, 0), iop3xx_i2c_irq_handler, 0, + irq = platform_get_irq(pdev, 0); + if (irq < 0) { + ret = -ENXIO; + goto unmap; + } + ret = request_irq(irq, iop3xx_i2c_irq_handler, 0, pdev->name, adapter_data); if (ret) { diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c index 5ccd338a9dc..2721e4c8184 100644 --- a/drivers/i2c/busses/i2c-mpc.c +++ b/drivers/i2c/busses/i2c-mpc.c @@ -302,6 +302,10 @@ static int fsl_i2c_probe(struct platform_device *pdev) } i2c->irq = platform_get_irq(pdev, 0); + if (i2c->irq < 0) { + result = -ENXIO; + goto fail_get_irq; + } i2c->flags = pdata->device_flags; init_waitqueue_head(&i2c->queue); @@ -340,6 +344,7 @@ static int fsl_i2c_probe(struct platform_device *pdev) fail_irq: iounmap(i2c->base); fail_map: + fail_get_irq: kfree(i2c); return result; }; diff --git a/drivers/i2c/busses/i2c-mv64xxx.c b/drivers/i2c/busses/i2c-mv64xxx.c index 22781d84f79..ac5cde1bbd2 100644 --- a/drivers/i2c/busses/i2c-mv64xxx.c +++ b/drivers/i2c/busses/i2c-mv64xxx.c @@ -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; |