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ACPI: ibm-acpi: cleanup init and exit paths

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Fix a small memory leak on module removal, and other
assorted minor cleanups on the module init codepath.

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Henrique de Moraes Holschuh 2007-02-06 19:13:44 -02:00 committed by Len Brown
parent a3c94e5c59
commit 3945ac36af
1 changed files with 8 additions and 5 deletions
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13
drivers/acpi/ibm_acpi.c
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@ -496,6 +496,10 @@ static int ibm_acpi_driver_init(void)
printk(IBM_INFO "%s v%s\n", IBM_DESC, IBM_VERSION);
printk(IBM_INFO "%s\n", IBM_URL);
if (ibm_thinkpad_ec_found)
printk(IBM_INFO "ThinkPad EC firmware %s\n",
ibm_thinkpad_ec_found);
return 0;
}
@ -2617,7 +2621,7 @@ static void __init ibm_handle_init(char *name,
ibm_handle_init(#object, &object##_handle, *object##_parent, \
object##_paths, ARRAY_SIZE(object##_paths), &object##_path)
static int set_ibm_param(const char *val, struct kernel_param *kp)
static int __init set_ibm_param(const char *val, struct kernel_param *kp)
{
unsigned int i;
@ -2659,7 +2663,8 @@ static void acpi_ibm_exit(void)
for (i = ARRAY_SIZE(ibms) - 1; i >= 0; i--)
ibm_exit(&ibms[i]);
remove_proc_entry(IBM_DIR, acpi_root_dir);
if (proc_dir)
remove_proc_entry(IBM_DIR, acpi_root_dir);
if (ibm_thinkpad_ec_found)
kfree(ibm_thinkpad_ec_found);
@ -2710,9 +2715,6 @@ static int __init acpi_ibm_init(void)
/* Models with newer firmware report the EC in DMI */
ibm_thinkpad_ec_found = check_dmi_for_ec();
if (ibm_thinkpad_ec_found)
printk(IBM_INFO "ThinkPad EC firmware %s\n",
ibm_thinkpad_ec_found);
/* these handles are not required */
IBM_HANDLE_INIT(vid);
@ -2742,6 +2744,7 @@ static int __init acpi_ibm_init(void)
proc_dir = proc_mkdir(IBM_DIR, acpi_root_dir);
if (!proc_dir) {
printk(IBM_ERR "unable to create proc dir %s", IBM_DIR);
acpi_ibm_exit();
return -ENODEV;
}
proc_dir->owner = THIS_MODULE;