From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Mon, 22 Jun 2009 19:09:14 +0000 (-0400)
Subject: NFS: Fix nfs_path() to always return a '/' at the beginning of the path
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=0b75b35c7cad33e7613f5adf28fa10fe8b09b1c3;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

NFS: Fix nfs_path() to always return a '/' at the beginning of the path

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/fs/nfs/namespace.c b/fs/nfs/namespace.c
index f01caec84463..40c766782891 100644
--- a/fs/nfs/namespace.c
+++ b/fs/nfs/namespace.c
@@ -65,6 +65,11 @@ char *nfs_path(const char *base,
 		dentry = dentry->d_parent;
 	}
 	spin_unlock(&dcache_lock);
+	if (*end != '/') {
+		if (--buflen < 0)
+			goto Elong;
+		*--end = '/';
+	}
 	namelen = strlen(base);
 	/* Strip off excess slashes in base string */
 	while (namelen > 0 && base[namelen - 1] == '/')