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Commit 5b0fa207 authored by Aneesh Kumar K.V's avatar Aneesh Kumar K.V Committed by Eric Van Hensbergen
Browse files

fs/9p: Clunk the fid resulting from partial walk of the name 



Signed-off-by: default avatarAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: default avatarEric Van Hensbergen <ericvh@gmail.com>
parent 9208d242

fs/9p/fid.c

+10 −2
Original line number Diff line number Diff line
@@ -110,7 +110,7 @@ struct p9_fid *v9fs_fid_lookup(struct dentry *dentry) 
{

	int i, n, l, clone, any, access;

	u32 uid;

	struct p9_fid *fid;

	struct p9_fid *fid, *old_fid = NULL;

	struct dentry *d, *ds;

	struct v9fs_session_info *v9ses;

	char **wnames, *uname;
@@ -183,10 +183,18 @@ struct p9_fid *v9fs_fid_lookup(struct dentry *dentry) 
		l = min(n - i, P9_MAXWELEM);

		fid = p9_client_walk(fid, l, &wnames[i], clone);

		if (IS_ERR(fid)) {

			if (old_fid) {

				/*

				 * If we fail, clunk fid which are mapping

				 * to path component and not the last component

				 * of the path.

				 */

				p9_client_clunk(old_fid);

			}

			kfree(wnames);

			return fid;

		}



		old_fid = fid;

		i += l;

		clone = 0;

	}