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[V2,0/1] mm/slub: release kobject if kobject_init_and_add failed in sysfs_slab_add

Message ID 20220811071844.74020-1-xhao@linux.alibaba.com (mailing list archive)
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Series mm/slub: release kobject if kobject_init_and_add failed in sysfs_slab_add | expand

Message

haoxin Aug. 11, 2022, 7:18 a.m. UTC 
In kobject_init_and_add() function, the refcount is setted by calling
kobject_init() function, regardless of whether the return value is zero
or not, therefore, we must call kobject_del(&s->kobj) to prevent memory
of s->kobj is leaked.

V1 -> V2
use kobject_put() instead kobject_del().

V1:
https://patchwork.kernel.org/project/linux-mm/patch/20220811025258.68684-1-xhao@linux.alibaba.com/

Xin Hao (1):
  mm/slub: release kobject if kobject_init_and_add failed in
    sysfs_slab_add

 mm/slub.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

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2.31.0