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| author | Kent Overstreet <kent.overstreet@linux.dev> | 2024-05-03 11:39:53 -0400 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2024-05-06 10:58:17 -0400 |
| commit | b30b70ad8bffcde513d34d525820ec411f48e3d7 (patch) | |
| tree | 3a55139aaeb77946ed4c4c22ff6d5917866a2dad | |
| parent | a2ddaf965f6a15c316f483e7446fbe3d81fba27c (diff) | |
| download | linux-b30b70ad8bffcde513d34d525820ec411f48e3d7.tar.gz | |
bcachefs: Fix early error path in bch2_fs_btree_key_cache_exit()
Reported-by: syzbot+a35cdb62ec34d44fb062@syzkaller.appspotmail.com
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
| -rw-r--r-- | fs/bcachefs/btree_key_cache.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/fs/bcachefs/btree_key_cache.c b/fs/bcachefs/btree_key_cache.c index e8c1c530cd95f5..7dafa1accec220 100644 --- a/fs/bcachefs/btree_key_cache.c +++ b/fs/bcachefs/btree_key_cache.c @@ -956,13 +956,15 @@ void bch2_fs_btree_key_cache_exit(struct btree_key_cache *bc) } #ifdef __KERNEL__ - for_each_possible_cpu(cpu) { - struct btree_key_cache_freelist *f = - per_cpu_ptr(bc->pcpu_freed, cpu); - - for (i = 0; i < f->nr; i++) { - ck = f->objs[i]; - list_add(&ck->list, &items); + if (bc->pcpu_freed) { + for_each_possible_cpu(cpu) { + struct btree_key_cache_freelist *f = + per_cpu_ptr(bc->pcpu_freed, cpu); + + for (i = 0; i < f->nr; i++) { + ck = f->objs[i]; + list_add(&ck->list, &items); + } } } #endif |