summaryrefslogtreecommitdiff
path: root/fs
diff options
context:
space:
mode:
authormajianpeng <majianpeng@gmail.com>2013-07-16 19:36:21 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-09-26 17:21:58 -0700
commitc36008fe66507bd7efa124b0d0c8254531a9ccde (patch)
treeb7c9368fe55244ff5785012149fe4c33778f26cf /fs
parentbc2a02319530276f4c26b7c219111aae37b8dc1b (diff)
ceph: Don't forget the 'up_read(&osdc->map_sem)' if met error.
commit 494ddd11be3e2621096bb425eed2886f8e8446d4 upstream. Signed-off-by: Jianpeng Ma <majianpeng@gmail.com> Reviewed-by: Sage Weil <sage@inktank.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs')
-rw-r--r--fs/ceph/ioctl.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/ceph/ioctl.c b/fs/ceph/ioctl.c
index e0b4ef31d3c8..a5ce62eb7806 100644
--- a/fs/ceph/ioctl.c
+++ b/fs/ceph/ioctl.c
@@ -196,8 +196,10 @@ static long ceph_ioctl_get_dataloc(struct file *file, void __user *arg)
r = ceph_calc_file_object_mapping(&ci->i_layout, dl.file_offset, len,
&dl.object_no, &dl.object_offset,
&olen);
- if (r < 0)
+ if (r < 0) {
+ up_read(&osdc->map_sem);
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);