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| author | Kent Overstreet <kent.overstreet@gmail.com> | 2021-05-17 16:10:06 -0400 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@gmail.com> | 2021-05-19 15:33:48 -0400 |
| commit | 421203a28c3654a71a342a2e3d524e1a31901a77 (patch) | |
| tree | 754f5d35af70e55125ced0bb4c90405a76204b0c | |
| parent | 38289faac12d2ddbc1da6b7d297ccf16e73400df (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 fcdcf42f85a4..a40459d2b0f0 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; |