diff options
| author | Kent Overstreet <kent.overstreet@gmail.com> | 2021-05-17 16:10:06 -0400 |
|---|---|---|
| committer | Stijn Tintel <stijn@linux-ipv6.be> | 2021-05-24 15:53:31 +0300 |
| commit | 8d60973eceec1b52343b30c4acec4f811347605e (patch) | |
| tree | 0a4a68b722da885258b79051dacef92a06d89c03 | |
| parent | 1de4dbce5b175b05d6de3493fb01c9017a6e988b (diff) | |
bcachefs: Fix a memcpy call
Not supposed to pass a null ptr to memcpy (even if the size is 0).
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
| -rw-r--r-- | fs/bcachefs/fsck.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/bcachefs/fsck.c b/fs/bcachefs/fsck.c index d2697864f5cc..726019e73b2c 100644 --- a/fs/bcachefs/fsck.c +++ b/fs/bcachefs/fsck.c @@ -1161,7 +1161,8 @@ static int add_nlink(struct nlink_table *t, u64 inum, u32 snapshot) return -ENOMEM; } - memcpy(d, t->d, t->size * sizeof(t->d[0])); + if (t->d) + memcpy(d, t->d, t->size * sizeof(t->d[0])); kvfree(t->d); t->d = d; |