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authorLiang Li <liang.li@windriver.com>2010-06-10 01:42:49 -0400
committerLen Brown <len.brown@intel.com>2010-06-10 11:24:51 -0400
commit934231de706d2579fae14f5857fcd8de991009ff (patch)
treef6bfd21271bca434fba5a12c62496a9b2a0c9281 /drivers/acpi/fan.c
parent75cbfb97a156dd3dabdc81295fb8144576332366 (diff)
ACPI: fan: fix unbalanced code block
The code block braced with CONFIG_ACPI_PROCFS is unblanced. When CONFIG_ACPI_PROCFS=n, kernel trace will be produced like: Call Trace: [<c111637d>] ? remove_proc_entry+0x20d/0x290 [<c111637d>] ? remove_proc_entry+0x20d/0x290 [<c103b02c>] warn_slowpath_common+0x6c/0xc0 [<c111637d>] ? remove_proc_entry+0x20d/0x290 [<c103b0c6>] warn_slowpath_fmt+0x26/0x30 [<c111637d>] remove_proc_entry+0x20d/0x290 [<c1116bd7>] ? proc_register+0x117/0x1f0 [<c1116e83>] ? proc_mkdir_mode+0x33/0x50 [<c14f483c>] ? acpi_fan_init+0x0/0x2c [<c14f485f>] acpi_fan_init+0x23/0x2c [<c1001123>] do_one_initcall+0x23/0x180 [<c107dcf7>] ? init_irq_proc+0x67/0x80 [<c14d43bd>] kernel_init+0x13c/0x20e [<c1030e50>] ? schedule_tail+0x20/0x90 [<c1389e06>] ? syscall_exit+0x5/0x16 [<c14d4281>] ? kernel_init+0x0/0x20e [<c14d4281>] ? kernel_init+0x0/0x20e [<c10032f6>] kernel_thread_helper+0x6/0x30 ---[ end trace a7919e7f17c0a725 ]--- Then also bracket later error checking code with ACPI_PROCFS option to avoid mismatch problem. Signed-off-by: Liang Li <liang.li@windriver.com> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/fan.c')
-rw-r--r--drivers/acpi/fan.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c
index acf2ab249842..8a3b840c0bb2 100644
--- a/drivers/acpi/fan.c
+++ b/drivers/acpi/fan.c
@@ -347,7 +347,6 @@ static int __init acpi_fan_init(void)
347{ 347{
348 int result = 0; 348 int result = 0;
349 349
350
351#ifdef CONFIG_ACPI_PROCFS 350#ifdef CONFIG_ACPI_PROCFS
352 acpi_fan_dir = proc_mkdir(ACPI_FAN_CLASS, acpi_root_dir); 351 acpi_fan_dir = proc_mkdir(ACPI_FAN_CLASS, acpi_root_dir);
353 if (!acpi_fan_dir) 352 if (!acpi_fan_dir)
@@ -356,7 +355,9 @@ static int __init acpi_fan_init(void)
356 355
357 result = acpi_bus_register_driver(&acpi_fan_driver); 356 result = acpi_bus_register_driver(&acpi_fan_driver);
358 if (result < 0) { 357 if (result < 0) {
358#ifdef CONFIG_ACPI_PROCFS
359 remove_proc_entry(ACPI_FAN_CLASS, acpi_root_dir); 359 remove_proc_entry(ACPI_FAN_CLASS, acpi_root_dir);
360#endif
360 return -ENODEV; 361 return -ENODEV;
361 } 362 }
362 363