diff options
| author | Marcelo Tosatti <mtosatti@redhat.com> | 2012-10-30 01:15:32 +0400 |
|---|---|---|
| committer | Marcelo Tosatti <mtosatti@redhat.com> | 2012-10-30 01:15:32 +0400 |
| commit | 19bf7f8ac3f8131100027281c495dbbe00cd5ae0 (patch) | |
| tree | 270b97e3ca47c0f62a1babca2ae37f79a76a309c /fs/ceph/ioctl.c | |
| parent | 787c57c0fb393fe8a3974d300ddcfe30373386fe (diff) | |
| parent | 35fd3dc58da675d659513384221349ef90749a01 (diff) | |
| download | linux-19bf7f8ac3f8131100027281c495dbbe00cd5ae0.tar.xz | |
Merge remote-tracking branch 'master' into queue
Merge reason: development work has dependency on kvm patches merged
upstream.
Conflicts:
arch/powerpc/include/asm/Kbuild
arch/powerpc/include/asm/kvm_para.h
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'fs/ceph/ioctl.c')
| -rw-r--r-- | fs/ceph/ioctl.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/fs/ceph/ioctl.c b/fs/ceph/ioctl.c index 1396ceb46797..36549a46e311 100644 --- a/fs/ceph/ioctl.c +++ b/fs/ceph/ioctl.c @@ -187,14 +187,18 @@ static long ceph_ioctl_get_dataloc(struct file *file, void __user *arg) u64 tmp; struct ceph_object_layout ol; struct ceph_pg pgid; + int r; /* copy and validate */ if (copy_from_user(&dl, arg, sizeof(dl))) return -EFAULT; down_read(&osdc->map_sem); - ceph_calc_file_object_mapping(&ci->i_layout, dl.file_offset, &len, - &dl.object_no, &dl.object_offset, &olen); + r = ceph_calc_file_object_mapping(&ci->i_layout, dl.file_offset, &len, + &dl.object_no, &dl.object_offset, + &olen); + if (r < 0) + return -EIO; dl.file_offset -= dl.object_offset; dl.object_size = ceph_file_layout_object_size(ci->i_layout); dl.block_size = ceph_file_layout_su(ci->i_layout); |