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| author | Konstantin Komarov <almaz.alexandrovich@paragon-software.com> | 2024-10-14 13:52:42 +0300 |
|---|---|---|
| committer | Konstantin Komarov <almaz.alexandrovich@paragon-software.com> | 2024-11-01 11:19:52 +0300 |
| commit | db1d2b4cc9c654d18dd17c65a14de2da78bdf998 (patch) | |
| tree | 70125e6fd94420fdd96c70f140cafcd6e6c10ef3 | |
| parent | a8f659ce14f8f734894227ba2c5ca78c8451501e (diff) | |
| download | linux-db1d2b4cc9c654d18dd17c65a14de2da78bdf998.tar.xz | |
fs/ntfs3: Add check in ntfs_extend_initialized_size
Check arguments again after lock.
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
| -rw-r--r-- | fs/ntfs3/file.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/ntfs3/file.c b/fs/ntfs3/file.c index f704ceef9539..0063e2351aa9 100644 --- a/fs/ntfs3/file.c +++ b/fs/ntfs3/file.c @@ -182,13 +182,15 @@ static int ntfs_extend_initialized_size(struct file *file, loff_t pos = valid; int err; + if (valid >= new_valid) + return 0; + if (is_resident(ni)) { ni->i_valid = new_valid; return 0; } WARN_ON(is_compressed(ni)); - WARN_ON(valid >= new_valid); for (;;) { u32 zerofrom, len; |