Messages in this thread Patch in this message | | | From | Chao Yu <> | Subject | [PATCH] f2fs: fix to invalidate dcc->f2fs_issue_discard in error path | Date | Thu, 13 Oct 2022 23:56:28 +0800 |
| |
Otherwise, latter f2fs_stop_discard_thread() may access invalid dcc->f2fs_issue_discard.
Signed-off-by: Chao Yu <chao@kernel.org> --- fs/f2fs/segment.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 460048f3c850..cf5f534aa887 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -2026,8 +2026,10 @@ int f2fs_start_discard_thread(struct f2fs_sb_info *sbi) dcc->f2fs_issue_discard = kthread_run(issue_discard_thread, sbi, "f2fs_discard-%u:%u", MAJOR(dev), MINOR(dev)); - if (IS_ERR(dcc->f2fs_issue_discard)) + if (IS_ERR(dcc->f2fs_issue_discard)) { err = PTR_ERR(dcc->f2fs_issue_discard); + dcc->f2fs_issue_discard = NULL; + } return err; } -- 2.25.1
| |