[PATCH] reiserfs: journal: Increase jl pointer check
Li zeming <[email protected]>
| Newsgroups | gmane.comp.file-systems.reiserfs.general,gmane.linux.kernel |
|---|---|
| Message-ID | <[email protected]> |
If kzalloc fails to allocate the jl pointer, NULL is returned directly. Signed-off-by: Li zeming <[email protected]> --- fs/reiserfs/journal.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c index 94addfcefede..d64e9de126c1 100644 --- a/fs/reiserfs/journal.c +++ b/fs/reiserfs/journal.c @@ -2569,6 +2569,9 @@ static struct reiserfs_journal_list *alloc_journal_list(struct super_block *s) struct reiserfs_journal_list *jl; jl = kzalloc(sizeof(struct reiserfs_journal_list), GFP_NOFS | __GFP_NOFAIL); + if (!jl) + return NULL; + INIT_LIST_HEAD(&jl->j_list); INIT_LIST_HEAD(&jl->j_working_list); INIT_LIST_HEAD(&jl->j_tail_bh_list); -- 2.18.2