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mfd: check for platform_get_irq() return value in sm501 

sm501_devdata->irq is unsigned, while platform_get_irq() returns a
signed int.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
This commit is contained in:
Roel Kluin 2008-10-22 01:39:55 +02:00 committed by Samuel Ortiz
parent 7ab18995e1
commit 7cf5244ce4
1 changed files with 11 additions and 11 deletions
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22
drivers/mfd/sm501.c
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@ -1374,31 +1374,31 @@ static int sm501_init_dev(struct sm501_devdata *sm)
static int sm501_plat_probe(struct platform_device *dev)
{
struct sm501_devdata *sm;
int err;
int ret;
sm = kzalloc(sizeof(struct sm501_devdata), GFP_KERNEL);
if (sm == NULL) {
dev_err(&dev->dev, "no memory for device data\n");
err = -ENOMEM;
ret = -ENOMEM;
goto err1;
}
sm->dev = &dev->dev;
sm->pdev_id = dev->id;
sm->irq = platform_get_irq(dev, 0);
sm->io_res = platform_get_resource(dev, IORESOURCE_MEM, 1);
sm->mem_res = platform_get_resource(dev, IORESOURCE_MEM, 0);
sm->platdata = dev->dev.platform_data;
if (sm->irq < 0) {
ret = platform_get_irq(dev, 0);
if (ret < 0) {
dev_err(&dev->dev, "failed to get irq resource\n");
err = sm->irq;
goto err_res;
}
sm->irq = ret;
sm->io_res = platform_get_resource(dev, IORESOURCE_MEM, 1);
sm->mem_res = platform_get_resource(dev, IORESOURCE_MEM, 0);
if (sm->io_res == NULL || sm->mem_res == NULL) {
dev_err(&dev->dev, "failed to get IO resource\n");
err = -ENOENT;
ret = -ENOENT;
goto err_res;
}
@ -1407,7 +1407,7 @@ static int sm501_plat_probe(struct platform_device *dev)
if (sm->regs_claim == NULL) {
dev_err(&dev->dev, "cannot claim registers\n");
err= -EBUSY;
ret = -EBUSY;
goto err_res;
}
@ -1418,7 +1418,7 @@ static int sm501_plat_probe(struct platform_device *dev)
if (sm->regs == NULL) {
dev_err(&dev->dev, "cannot remap registers\n");
err = -EIO;
ret = -EIO;
goto err_claim;
}
@ -1430,7 +1430,7 @@ static int sm501_plat_probe(struct platform_device *dev)
err_res:
kfree(sm);
err1:
return err;
return ret;
}