---

yaml --- r: 128909 b: refs/heads/master c: f2322b1 h: refs/heads/master i: 128907: ace8b9e v: v3
git-mirror · Sep 25, 2008 · c31598c · c31598c
1 parent 97f0f98
commit c31598c
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Showing 2 changed files with 8 additions and 5 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 49593bfa575b7e3fda073b6d1033ee273bdaf97c
+refs/heads/master: f2322b1c652add8bcd64b10843d76b0211ab1fc6
diff --git a/trunk/fs/btrfs/inode.c b/trunk/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);