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author | Jan Kara | 2017-03-23 01:37:01 +0100 |
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committer | Jens Axboe | 2017-03-23 03:11:35 +0100 |
commit | c70c176ff8c3ff0ac6ef9a831cd591ea9a66bd1a (patch) | |
tree | fbeffaadd5bf1aed0daab320f797adabe8b3916a /include/linux/kobject.h | |
parent | block: Fix oops in locked_inode_to_wb_and_lock_list() (diff) | |
download | kernel-qcow2-linux-c70c176ff8c3ff0ac6ef9a831cd591ea9a66bd1a.tar.gz kernel-qcow2-linux-c70c176ff8c3ff0ac6ef9a831cd591ea9a66bd1a.tar.xz kernel-qcow2-linux-c70c176ff8c3ff0ac6ef9a831cd591ea9a66bd1a.zip |
kobject: Export kobject_get_unless_zero()
Make the function available for outside use and fortify it against NULL
kobject.
CC: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'include/linux/kobject.h')
-rw-r--r-- | include/linux/kobject.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/kobject.h b/include/linux/kobject.h index e6284591599e..ca85cb80e99a 100644 --- a/include/linux/kobject.h +++ b/include/linux/kobject.h @@ -108,6 +108,8 @@ extern int __must_check kobject_rename(struct kobject *, const char *new_name); extern int __must_check kobject_move(struct kobject *, struct kobject *); extern struct kobject *kobject_get(struct kobject *kobj); +extern struct kobject * __must_check kobject_get_unless_zero( + struct kobject *kobj); extern void kobject_put(struct kobject *kobj); extern const void *kobject_namespace(struct kobject *kobj); |