diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/btrfs/inode.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index c7b7095..10f26f4 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -2040,6 +2040,7 @@ struct nfshack_dirent { struct nfshack_readdir { char *dirent; size_t used; + int full; }; @@ -2052,8 +2053,10 @@ static int btrfs_nfshack_filldir(void *__buf, const char *name, int namlen, unsigned int reclen; reclen = ALIGN(sizeof(struct nfshack_dirent) + namlen, sizeof(u64)); - if (buf->used + reclen > PAGE_SIZE) + if (buf->used + reclen > PAGE_SIZE) { + buf->full = 1; return -EINVAL; + } de->namlen = namlen; de->offset = offset; @@ -2080,11 +2083,11 @@ static int btrfs_nfshack_readdir(struct file *file, void *dirent, offset = file->f_pos; - while (1) { + do { unsigned int reclen; buf.used = 0; - + buf.full = 0; err = btrfs_real_readdir(file, &buf, btrfs_nfshack_filldir); if (err) break; @@ -2108,7 +2111,7 @@ static int btrfs_nfshack_readdir(struct file *file, void *dirent, size -= reclen; de = (struct nfshack_dirent *)((char *)de + reclen); } - } + } while (buf.full); done: free_page((unsigned long)buf.dirent); |