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| author | Chuhong Yuan <hslester96@gmail.com> | 2019-11-16 16:13:08 +0100 |
|---|---|---|
| committer | Lee Jones <lee.jones@linaro.org> | 2020-01-24 08:33:56 +0100 |
| commit | b88aa8509828b56919b3cb0901803354fc156320 (patch) | |
| tree | 8237c9182b3980775a4bc896b6fc1598c230250c | |
| parent | mfd: syscon: Re-use resource_size() to count max_register (diff) | |
| download | linux-b88aa8509828b56919b3cb0901803354fc156320.tar.xz linux-b88aa8509828b56919b3cb0901803354fc156320.zip | |
mfd: sm501: Fix mismatches of request_mem_region
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>
| -rw-r--r-- | drivers/mfd/sm501.c | 19 |
1 files changed, 7 insertions, 12 deletions
diff --git a/drivers/mfd/sm501.c b/drivers/mfd/sm501.c index 154270f8d8d7..e49787e6bb93 100644 --- a/drivers/mfd/sm501.c +++ b/drivers/mfd/sm501.c @@ -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; } |