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authorRoel Kluin <roel.kluin@gmail.com>2008-10-22 01:39:55 +0200
committerSamuel Ortiz <samuel@sortiz.org>2008-10-22 01:39:55 +0200
commit7cf5244ce4a0ab3f043f2e9593e07516b0df5715 (patch)
tree586b307509d611f1b37c4b1af7a6694109f8e3b5 /drivers/mfd/sm501.c
parent7ab18995e11089ea33c99fd586e8bad4932369e4 (diff)
downloadlwn-7cf5244ce4a0ab3f043f2e9593e07516b0df5715.tar.gz
lwn-7cf5244ce4a0ab3f043f2e9593e07516b0df5715.zip
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>
Diffstat (limited to 'drivers/mfd/sm501.c')
-rw-r--r--drivers/mfd/sm501.c22
1 files changed, 11 insertions, 11 deletions
diff --git a/drivers/mfd/sm501.c b/drivers/mfd/sm501.c
index 4d9aaf9501df..170f9d47c2f9 100644
--- a/drivers/mfd/sm501.c
+++ b/drivers/mfd/sm501.c
@@ -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;
}