]> www.infradead.org Git - users/jedix/linux-maple.git/commit
mm/damon/reclaim: fix potential memory leak in damon_reclaim_init()
authorJianglei Nie <niejianglei2021@163.com>
Thu, 14 Jul 2022 06:37:46 +0000 (14:37 +0800)
committerLiam R. Howlett <Liam.Howlett@oracle.com>
Wed, 3 Aug 2022 18:17:12 +0000 (14:17 -0400)
commitc60bc467f06a4f13dea1f50fa4ca4fa446eb4205
tree4786e1799df6ba6f6d9b942e37d2a6f6e1f90287
parentc1f17b7b7fd2392161cef09a863e44854f5e52d2
mm/damon/reclaim: fix potential memory leak in damon_reclaim_init()

damon_reclaim_init() allocates a memory chunk for ctx with
damon_new_ctx().  When damon_select_ops() fails, ctx is not released,
which will lead to a memory leak.

We should release the ctx with damon_destroy_ctx() when damon_select_ops()
fails to fix the memory leak.

Link: https://lkml.kernel.org/r/20220714063746.2343549-1-niejianglei2021@163.com
Fixes: 4d69c3457821 ("mm/damon/reclaim: use damon_select_ops() instead of damon_{v,p}a_set_operations()")
Signed-off-by: Jianglei Nie <niejianglei2021@163.com>
Reviewed-by: SeongJae Park <sj@kernel.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
mm/damon/reclaim.c