| Message ID | 4fdb4c65-d6db-4a0c-b2cc-296646c1e1fe@paragon-software.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | fs/ntfs3: Bugfix and refactoring | expand |
diff --git a/fs/ntfs3/super.c b/fs/ntfs3/super.c index 5811da7e9d45..cf0a720523f0 100644 --- a/fs/ntfs3/super.c +++ b/fs/ntfs3/super.c @@ -497,7 +497,12 @@ static ssize_t ntfs3_label_write(struct file *file, const char __user *buffer, int err; struct super_block *sb = pde_data(file_inode(file)); ssize_t ret = count; - u8 *label = kmalloc(count, GFP_NOFS); + u8 *label; + + if (sb_rdonly(sb)) + return -EROFS; + + label = kmalloc(count, GFP_NOFS); if (!label)
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com> --- fs/ntfs3/super.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) return -ENOMEM;