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From: Thadeu Lima de Souza Cascardo on 27 Apr 2010 12:50
When ACPI_PROCFS is disabled, /proc/acpi/fan/ directory is not created.
So, it should not be removed during the module removal either.

Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo(a)holoscopio.com>
---
drivers/acpi/fan.c | 11 +++++++----
1 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c
index acf2ab2..d92c035 100644
--- a/drivers/acpi/fan.c
+++ b/drivers/acpi/fan.c
@@ -355,12 +355,13 @@ static int __init acpi_fan_init(void)
#endif

result = acpi_bus_register_driver(&acpi_fan_driver);
- if (result < 0) {
+
+#ifdef CONFIG_ACPI_PROCFS
+ if (result < 0)
remove_proc_entry(ACPI_FAN_CLASS, acpi_root_dir);
- return -ENODEV;
- }
+#endif

- return 0;
+ return result;
}

static void __exit acpi_fan_exit(void)
@@ -368,7 +369,9 @@ static void __exit acpi_fan_exit(void)

acpi_bus_unregister_driver(&acpi_fan_driver);

+#ifdef CONFIG_ACPI_PROCFS
remove_proc_entry(ACPI_FAN_CLASS, acpi_root_dir);
+#endif

return;
}
--
1.6.6.1

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Prev: threaded interrupt handler
Next: [PATCH] trivial: inode uses a mutex instead of a semaphore.