This patch fixes a small memory leak on module removal, and does other
assorted minor cleanups on the module init codepath.
Signed-off-by: Henrique de Moraes Holschuh <hmh@xxxxxxxxxx>
---
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 5c0f1b8..20cbde5 100644
--- a/drivers/acpi/ibm_acpi.c
+++ b/drivers/acpi/ibm_acpi.c
@@ -497,6 +497,10 @@ 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;
}
@@ -2618,7 +2622,7 @@ 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;
@@ -2660,7 +2664,8 @@ 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);
@@ -2711,9 +2716,6 @@ 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);
@@ -2743,6 +2745,7 @@ 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;
--
1.4.4.4
-------------------------------------------------------------------------
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