diff mbox series

[5/7] fs/ntfs3: Add check in ntfs_extend_initialized_size

Message ID 20241101081753.10585-6-almaz.alexandrovich@paragon-software.com (mailing list archive)
State New
Headers show
Series fs/ntfs3: Bugfix and minor refactoring | expand

Commit Message

Konstantin Komarov Nov. 1, 2024, 8:17 a.m. UTC 
Check arguments again after lock.

Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
---
 fs/ntfs3/file.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
diff mbox series

Patch

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;