From: Li zeming <zeming@nfschina.com>
To: willy@infradead.org, jlayton@kernel.org, song@kernel.org,
bvanassche@acm.org, neilb@suse.de
Cc: reiserfs-devel@vger.kernel.org, linux-kernel@vger.kernel.org,
Li zeming <zeming@nfschina.com>
Subject: [PATCH] reiserfs: journal: Increase jl pointer check
Date: Tue, 25 Oct 2022 16:47:04 +0800 [thread overview]
Message-ID: <20221025084704.3922-1-zeming@nfschina.com> (raw)
If kzalloc fails to allocate the jl pointer, NULL is returned directly.
Signed-off-by: Li zeming <zeming@nfschina.com>
---
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
next reply other threads:[~2022-10-25 8:47 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-25 8:47 Li zeming [this message]
2022-10-25 21:30 ` NeilBrown
2022-10-26 1:47 ` Li zeming
2022-10-26 3:05 ` NeilBrown
2022-10-26 3:55 ` Li zeming
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