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| author | David Howells | 2020-05-01 22:06:02 +0100 |
|---|---|---|
| committer | David Howells | 2020-06-04 15:37:58 +0100 |
| commit | f11a016a852f32e9c991baf6a036390eac5b4266 (patch) | |
| tree | e3f22ae2effd9687a03c9d7765fe949f7861a320 /fs | |
| parent | 3c4c4075fc61f5c37a0112b1dc8398025dc3e26a (diff) | |
afs: Fix afs_statfs() to not let the values go below zero
Fix afs_statfs() so that the value for f_bavail and f_bfree don't go
"negative" if the number of blocks in use by a volume exceeds the max quota
for that volume.
Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/afs/super.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/afs/super.c b/fs/afs/super.c index c77b11b31233..b552357b1d13 100644 --- a/fs/afs/super.c +++ b/fs/afs/super.c @@ -729,7 +729,10 @@ static void afs_get_volume_status_success(struct afs_operation *op) buf->f_blocks = vs->part_max_blocks; else buf->f_blocks = vs->max_quota; - buf->f_bavail = buf->f_bfree = buf->f_blocks - vs->blocks_in_use; + + if (buf->f_blocks > vs->blocks_in_use) + buf->f_bavail = buf->f_bfree = + buf->f_blocks - vs->blocks_in_use; } static const struct afs_operation_ops afs_get_volume_status_operation = { |