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[PATCH] handle errors returned by platform_get_irq*()

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platform_get_irq*() now returns on -ENXIO when the resource cannot be
found.  Ensure all users of platform_get_irq*() handle this error
appropriately.

Signed-off-by: David Vrabel <dvrabel@arcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
David Vrabel
2006-01-19 17:56:29 +00:00
committed by Greg Kroah-Hartman
parent 305b3228f9
commit 489447380a
19 changed files with 60 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/i2c/busses/i2c-iop3xx.c
View File

@ -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) {

5
drivers/i2c/busses/i2c-mpc.c
View File

@ -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;
};

4
drivers/i2c/busses/i2c-mv64xxx.c
View File

@ -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;