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nfsd4: require version 4 when enabling or disabling minorversion
[firefly-linux-kernel-4.4.55.git]
/
fs
/
nfsd
/
nfsctl.c
diff --git
a/fs/nfsd/nfsctl.c
b/fs/nfsd/nfsctl.c
index 74934284d9a7b27433a172231d88647b4a414aec..65889ec1d28e1852c84835239205acd0b96f4c94 100644
(file)
--- a/
fs/nfsd/nfsctl.c
+++ b/
fs/nfsd/nfsctl.c
@@
-534,7
+534,7
@@
static ssize_t __write_versions(struct file *file, char *buf, size_t size)
else
num = simple_strtol(vers, &minorp, 0);
if (*minorp == '.') {
- if (num
<
4)
+ if (num
!=
4)
return -EINVAL;
minor = simple_strtoul(minorp+1, NULL, 0);
if (minor == 0)