From: Xiubo Li xiubli@redhat.com
[ Upstream commit 322794d3355c33adcc4feace0045d85a8e4ed813 ]
The ceph_get_inode() will search for or insert a new inode into the hash for the given vino, and return a reference to it. If new is non-NULL, its reference is consumed.
We should release the reference when in error handing cases.
Signed-off-by: Xiubo Li xiubli@redhat.com Reviewed-by: Jeff Layton jlayton@kernel.org Signed-off-by: Ilya Dryomov idryomov@gmail.com Signed-off-by: Sasha Levin sashal@kernel.org --- fs/ceph/inode.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c index ef4a980a7bf3..c092dce0485c 100644 --- a/fs/ceph/inode.c +++ b/fs/ceph/inode.c @@ -87,13 +87,13 @@ struct inode *ceph_get_snapdir(struct inode *parent) if (!S_ISDIR(parent->i_mode)) { pr_warn_once("bad snapdir parent type (mode=0%o)\n", parent->i_mode); - return ERR_PTR(-ENOTDIR); + goto err; }
if (!(inode->i_state & I_NEW) && !S_ISDIR(inode->i_mode)) { pr_warn_once("bad snapdir inode type (mode=0%o)\n", inode->i_mode); - return ERR_PTR(-ENOTDIR); + goto err; }
inode->i_mode = parent->i_mode; @@ -113,6 +113,12 @@ struct inode *ceph_get_snapdir(struct inode *parent) }
return inode; +err: + if ((inode->i_state & I_NEW)) + discard_new_inode(inode); + else + iput(inode); + return ERR_PTR(-ENOTDIR); }
const struct inode_operations ceph_file_iops = {