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mfd: sm501: Fix mismatches of request_mem_region

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This driver misuses release_resource + kfree to match request_mem_region,
which is incorrect.
The right way is to use release_mem_region.
Replace the mismatched calls with the right ones to fix it.

Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Chuhong Yuan 2019-11-16 23:13:08 +08:00 committed by Lee Jones
parent f2a19c5b78
commit b88aa85098
1 changed files with 7 additions and 12 deletions
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19
drivers/mfd/sm501.c
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@ -1086,8 +1086,7 @@ static int sm501_register_gpio(struct sm501_devdata *sm)
iounmap(gpio->regs);
err_claimed:
release_resource(gpio->regs_res);
kfree(gpio->regs_res);
release_mem_region(iobase, 0x20);
return ret;
}
@ -1095,6 +1094,7 @@ static int sm501_register_gpio(struct sm501_devdata *sm)
static void sm501_gpio_remove(struct sm501_devdata *sm)
{
struct sm501_gpio *gpio = &sm->gpio;
resource_size_t iobase = sm->io_res->start + SM501_GPIO;
if (!sm->gpio.registered)
return;
@ -1103,8 +1103,7 @@ static void sm501_gpio_remove(struct sm501_devdata *sm)
gpiochip_remove(&gpio->high.gpio);
iounmap(gpio->regs);
release_resource(gpio->regs_res);
kfree(gpio->regs_res);
release_mem_region(iobase, 0x20);
}
static inline int sm501_gpio_isregistered(struct sm501_devdata *sm)
@ -1427,8 +1426,7 @@ static int sm501_plat_probe(struct platform_device *dev)
return sm501_init_dev(sm);
err_claim:
release_resource(sm->regs_claim);
kfree(sm->regs_claim);
release_mem_region(sm->io_res->start, 0x100);
err_res:
kfree(sm);
err1:
@ -1637,8 +1635,7 @@ static int sm501_pci_probe(struct pci_dev *dev,
return 0;
err4:
release_resource(sm->regs_claim);
kfree(sm->regs_claim);
release_mem_region(sm->io_res->start, 0x100);
err3:
pci_disable_device(dev);
err2:
@ -1673,8 +1670,7 @@ static void sm501_pci_remove(struct pci_dev *dev)
sm501_dev_remove(sm);
iounmap(sm->regs);
release_resource(sm->regs_claim);
kfree(sm->regs_claim);
release_mem_region(sm->io_res->start, 0x100);
pci_disable_device(dev);
}
@ -1686,8 +1682,7 @@ static int sm501_plat_remove(struct platform_device *dev)
sm501_dev_remove(sm);
iounmap(sm->regs);
release_resource(sm->regs_claim);
kfree(sm->regs_claim);
release_mem_region(sm->io_res->start, 0x100);
return 0;
}