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| author | Henrique de Moraes Holschuh <hmh@hmh.eng.br> | 2007-02-06 19:13:44 -0200 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2007-02-09 15:39:47 -0500 |
| commit | 3945ac36af3da6014cde9836c5acc5b3adaaa379 (patch) | |
| tree | a8b8c06f44a2948cb97e97d46a9a56838dc3d2a8 | |
| parent | a3c94e5c5921b0fd75b33042ca598aee52f1f7b9 (diff) | |
| download | lwn-3945ac36af3da6014cde9836c5acc5b3adaaa379.tar.gz lwn-3945ac36af3da6014cde9836c5acc5b3adaaa379.zip | |
ACPI: ibm-acpi: cleanup init and exit paths
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>
| -rw-r--r-- | drivers/acpi/ibm_acpi.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/acpi/ibm_acpi.c b/drivers/acpi/ibm_acpi.c index c6144ca66638..2429e1180fa9 100644 --- a/drivers/acpi/ibm_acpi.c +++ b/drivers/acpi/ibm_acpi.c @@ -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; |