The /proc/fs/nfsd/versions file calls nfsd_vers() to check whether
the particular nfsd version is present/available. The problem is
that once I turn off e.g. NFSD-V4 this call returns -1 which is
true from the callers POV which is wrong.
The proposal is to report false in that case.
Patch is against git://linux-nfs.org/~bfields/linux:master
Signed-off-by: Pavel Emelyanov <xemul@xxxxxxxxxx>
---
diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c
index 171699e..06b2a26 100644
--- a/fs/nfsd/nfssvc.c
+++ b/fs/nfsd/nfssvc.c
@@ -120,7 +120,7 @@ u32 nfsd_supported_minorversion;
int nfsd_vers(int vers, enum vers_op change)
{
if (vers < NFSD_MINVERS || vers >= NFSD_NRVERS)
- return -1;
+ return 0;
switch(change) {
case NFSD_SET:
nfsd_versions[vers] = nfsd_version[vers];
--
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