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| author | Greg Kroah-Hartman <gregkh@suse.de> | 2006-03-20 13:17:13 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2006-03-20 13:42:59 -0800 |
| commit | dcd0da002122a70fe1c625c0ca9f58c95aa33ebe (patch) | |
| tree | 5560cdc189fa3ae7eeeabb71ef5c5a2b26d4909e | |
| parent | 4f2928d0a439553f0288d9483faf417430629635 (diff) | |
| download | linux-3.10-dcd0da002122a70fe1c625c0ca9f58c95aa33ebe.tar.gz linux-3.10-dcd0da002122a70fe1c625c0ca9f58c95aa33ebe.tar.bz2 linux-3.10-dcd0da002122a70fe1c625c0ca9f58c95aa33ebe.zip | |
[PATCH] Kobject: provide better warning messages when people do stupid things
Now that kobject_add() is used more than kobject_register() the kernel
wasn't always letting people know that they were doing something wrong.
This change fixes this.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -rw-r--r-- | lib/kobject.c | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/lib/kobject.c b/lib/kobject.c index efe67fa96a7..36668c8c3ea 100644 --- a/lib/kobject.c +++ b/lib/kobject.c @@ -194,6 +194,17 @@ int kobject_add(struct kobject * kobj) unlink(kobj); if (parent) kobject_put(parent); + + /* be noisy on error issues */ + if (error == -EEXIST) + printk("kobject_add failed for %s with -EEXIST, " + "don't try to register things with the " + "same name in the same directory.\n", + kobject_name(kobj)); + else + printk("kobject_add failed for %s (%d)\n", + kobject_name(kobj), error); + dump_stack(); } return error; @@ -207,18 +218,13 @@ int kobject_add(struct kobject * kobj) int kobject_register(struct kobject * kobj) { - int error = 0; + int error = -EINVAL; if (kobj) { kobject_init(kobj); error = kobject_add(kobj); - if (error) { - printk("kobject_register failed for %s (%d)\n", - kobject_name(kobj),error); - dump_stack(); - } else + if (!error) kobject_uevent(kobj, KOBJ_ADD); - } else - error = -EINVAL; + } return error; } |