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-rw-r--r--fs/ceph/ioctl.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/fs/ceph/ioctl.c b/fs/ceph/ioctl.c
index a5ce62eb7806..669622fd1ae3 100644
--- a/fs/ceph/ioctl.c
+++ b/fs/ceph/ioctl.c
@@ -211,8 +211,12 @@ static long ceph_ioctl_get_dataloc(struct file *file, void __user *arg)
snprintf(dl.object_name, sizeof(dl.object_name), "%llx.%08llx",
ceph_ino(inode), dl.object_no);
- ceph_calc_ceph_pg(&pgid, dl.object_name, osdc->osdmap,
- ceph_file_layout_pg_pool(ci->i_layout));
+ r = ceph_calc_ceph_pg(&pgid, dl.object_name, osdc->osdmap,
+ ceph_file_layout_pg_pool(ci->i_layout));
+ if (r < 0) {
+ up_read(&osdc->map_sem);
+ return r;
+ }
dl.osd = ceph_calc_pg_primary(osdc->osdmap, pgid);
if (dl.osd >= 0) {

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