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parisc: pdc_stable: Fix memory leak in pdcs_register_pathentries

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commit d24846a424 upstream.

kobject_init_and_add() takes reference even when it fails.
According to the doc of kobject_init_and_add()：

   If this function returns an error, kobject_put() must be called to
   properly clean up the memory associated with the object.

Fix memory leak by calling kobject_put().

Fixes: 73f368cf67 ("Kobject: change drivers/parisc/pdc_stable.c to use kobject_init_and_add")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Miaoqian Lin
2022-01-20 12:18:12 +00:00
committed by Greg Kroah-Hartman
parent d806eb5f4e
commit e1840365ed
1 changed files with 3 additions and 1 deletions
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4
drivers/parisc/pdc_stable.c
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@@ -979,8 +979,10 @@ pdcs_register_pathentries(void)
entry->kobj.kset = paths_kset;
err = kobject_init_and_add(&entry->kobj, &ktype_pdcspath, NULL,
"%s", entry->name);
if (err)
if (err) {
kobject_put(&entry->kobj);
return err;
}
/* kobject is now registered */
write_lock(&entry->rw_lock);