From: J. Bruce Fields <bfields@citi.umich.edu>
Date: Sat, 21 Feb 2009 19:14:43 +0000 (-0800)
Subject: nfsd4: remove redundant "if" in nfs4_preprocess_stateid_op
X-Git-Tag: v2.6.30-rc1~183^2~65
X-Git-Url: http://ftp.safe.ca/?p=safe%2Fjmp%2Flinux-2.6;a=commitdiff_plain;h=dc9bf700ed2fc3eab50f31000b13fda781e7c9f1

nfsd4: remove redundant "if" in nfs4_preprocess_stateid_op

Note that we exit this first big "if" with stp == NULL if and only if we
took the first branch; therefore, the second "if" is redundant, and we
can just combine the two, simplifying the logic.

Reviewed-by: Yang Hongyang <yanghy@cn.fujitsu.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
---

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index d6ca2be..16fcb65 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -2087,6 +2087,14 @@ nfs4_preprocess_stateid_op(struct svc_fh *current_fh, stateid_t *stateid, int fl
 		status = check_stateid_generation(stateid, stidp);
 		if (status)
 			goto out;
+		status = nfs4_check_delegmode(dp, flags);
+		if (status)
+			goto out;
+		renew_client(dp->dl_client);
+		if (flags & DELEG_RET)
+			unhash_delegation(dp);
+		if (filpp)
+			*filpp = dp->dl_vfs_file;
 	} else { /* open or lock stateid */
 		stp = find_stateid(stateid, flags);
 		if (!stp) {
@@ -2101,23 +2109,12 @@ nfs4_preprocess_stateid_op(struct svc_fh *current_fh, stateid_t *stateid, int fl
 		status = check_stateid_generation(stateid, stidp);
 		if (status)
 			goto out;
-	}
-	if (stp) {
 		status = nfs4_check_openmode(stp, flags);
 		if (status)
 			goto out;
 		renew_client(stp->st_stateowner->so_client);
 		if (filpp)
 			*filpp = stp->st_vfs_file;
-	} else {
-		status = nfs4_check_delegmode(dp, flags);
-		if (status)
-			goto out;
-		renew_client(dp->dl_client);
-		if (flags & DELEG_RET)
-			unhash_delegation(dp);
-		if (filpp)
-			*filpp = dp->dl_vfs_file;
 	}
 	status = nfs_ok;
 out: