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| author | Ingo Molnar <mingo@elte.hu> | 2010-05-20 14:38:55 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-05-20 14:38:55 +0200 |
| commit | dfacc4d6c98b89609250269f518c1f54c30454ef (patch) | |
| tree | e7effbee7bdc85d18f7b26ab9cb5c9f700d1481a /fs/btrfs/ioctl.c | |
| parent | f869097e884d8cb65b2bb7831ca57b7dffb66fdd (diff) | |
| parent | 85cb68b27c428d477169f3aa46c72dba103a17bd (diff) | |
Merge branch 'perf/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing into perf/core
Diffstat (limited to 'fs/btrfs/ioctl.c')
| -rw-r--r-- | fs/btrfs/ioctl.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index e84ef60ffe3..97a97839a86 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -1481,12 +1481,17 @@ static noinline long btrfs_ioctl_clone(struct file *file, unsigned long srcfd, ret = -EBADF; goto out_drop_write; } + src = src_file->f_dentry->d_inode; ret = -EINVAL; if (src == inode) goto out_fput; + /* the src must be open for reading */ + if (!(src_file->f_mode & FMODE_READ)) + goto out_fput; + ret = -EISDIR; if (S_ISDIR(src->i_mode) || S_ISDIR(inode->i_mode)) goto out_fput; |