diff options
| author | Mark Brown <broonie@kernel.org> | 2024-02-01 17:45:32 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2024-02-01 17:45:32 +0000 |
| commit | e81fdba0208666b65bafeaba814874b4d6e5edde (patch) | |
| tree | 5de26e8be4ca1801ca27bffe25c129d29b13dba9 /fs/btrfs/ioctl.c | |
| parent | 5513c5d0fb3d509cdd0a11afc18441c57eb7c94c (diff) | |
| parent | 28876c1ae8b8cd1dacef50bd6c0555824774f0d2 (diff) | |
ALSA: Various fixes for Cirrus Logic CS35L56 support
Merge series from Richard Fitzgerald <rf@opensource.cirrus.com>:
These patches fixe various things that were undocumented, unknown or
uncertain when the original driver code was written. And also a few
things that were just bugs.
Diffstat (limited to 'fs/btrfs/ioctl.c')
| -rw-r--r-- | fs/btrfs/ioctl.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 41b479861b3c..dfed9dd9c2d7 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -790,6 +790,9 @@ static int create_snapshot(struct btrfs_root *root, struct inode *dir, return -EOPNOTSUPP; } + if (btrfs_root_refs(&root->root_item) == 0) + return -ENOENT; + if (!test_bit(BTRFS_ROOT_SHAREABLE, &root->state)) return -EINVAL; @@ -2608,6 +2611,10 @@ static int btrfs_ioctl_defrag(struct file *file, void __user *argp) ret = -EFAULT; goto out; } + if (range.flags & ~BTRFS_DEFRAG_RANGE_FLAGS_SUPP) { + ret = -EOPNOTSUPP; + goto out; + } /* compression requires us to start the IO */ if ((range.flags & BTRFS_DEFRAG_RANGE_COMPRESS)) { range.flags |= BTRFS_DEFRAG_RANGE_START_IO; |