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btrfs-progs: catch invalid flags in open_ctree_fd 

Signed-off-by: David Sterba <dsterba@suse.com>
master
David Sterba 2016-09-06 14:31:18 +02:00
parent 93a34924e1
commit 8a167ec579
1 changed files with 5 additions and 1 deletions
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6
disk-io.c
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@ -1411,7 +1411,11 @@ struct btrfs_root *open_ctree_fd(int fp, const char *path, u64 sb_bytenr,
struct btrfs_fs_info *info;
/* This flags may not return fs_info with any valid root */
BUG_ON(flags & OPEN_CTREE_IGNORE_CHUNK_TREE_ERROR);
if (flags & OPEN_CTREE_IGNORE_CHUNK_TREE_ERROR) {
error("invalid open_ctree flags: 0x%llx",
(unsigned long long)flags);
return NULL;
}
info = __open_ctree_fd(fp, path, sb_bytenr, 0, 0, flags);
if (!info)
return NULL;