From: NeilBrown <neilb@cse.unsw.edu.au>
Date: Fri, 8 Jul 2005 00:59:12 +0000 (-0700)
Subject: [PATCH] nfsd4: lookup_one_len takes i_sem
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=cdc5524e8a257b1c91dd8e4cdfbab979f4e17a60;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git

[PATCH] nfsd4: lookup_one_len takes i_sem

Oops, this lookup_one_len needs the i_sem.

Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/fs/nfsd/nfs4recover.c b/fs/nfsd/nfs4recover.c
index bb40083b6b7..53abb333732 100644
--- a/fs/nfsd/nfs4recover.c
+++ b/fs/nfsd/nfs4recover.c
@@ -289,7 +289,9 @@ nfsd4_unlink_clid_dir(char *name, int namlen)
 
 	dprintk("NFSD: nfsd4_unlink_clid_dir. name %.*s\n", namlen, name);
 
+	down(&rec_dir.dentry->d_inode->i_sem);
 	dentry = lookup_one_len(name, rec_dir.dentry, namlen);
+	up(&rec_dir.dentry->d_inode->i_sem);
 	if (IS_ERR(dentry)) {
 		status = PTR_ERR(dentry);
 		return status;