From: Qiushi Wu <wu000...@umn.edu> [ Upstream commit 7cc31613734c4870ae32f5265d576ef296621343 ]
kobject_init_and_add() takes reference even when it fails. Thus, when kobject_init_and_add() returns an error, kobject_put() must be called to properly clean up the kobject. Fixes: d72e31c93746 ("iommu: IOMMU Groups") Signed-off-by: Qiushi Wu <wu000...@umn.edu> Link: https://lore.kernel.org/r/20200527210020.6522-1-wu000...@umn.edu Signed-off-by: Joerg Roedel <jroe...@suse.de> Signed-off-by: Sasha Levin <sas...@kernel.org> --- drivers/iommu/iommu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -392,7 +392,7 @@ struct iommu_group *iommu_group_alloc(vo NULL, "%d", group->id); if (ret) { ida_simple_remove(&iommu_group_ida, group->id); - kfree(group); + kobject_put(&group->kobj); return ERR_PTR(ret); }