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-rw-r--r--fs/nfsd/nfsctl.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index f3b2f34b10a3..d54fb0e3f30e 100644
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -569,8 +569,7 @@ static ssize_t __write_versions(struct file *file, char *buf, size_t size)
if (*minorp == '.') {
if (num != 4)
return -EINVAL;
- minor = simple_strtoul(minorp+1, NULL, 0);
- if (minor == 0)
+ if (kstrtouint(minorp+1, 0, &minor) < 0)
return -EINVAL;
if (nfsd_minorversion(minor, sign == '-' ?
NFSD_CLEAR : NFSD_SET) < 0)
@@ -613,8 +612,13 @@ static ssize_t __write_versions(struct file *file, char *buf, size_t size)
tlen += len;
}
if (nfsd_vers(4, NFSD_AVAIL))
- for (minor = 1; minor <= NFSD_SUPPORTED_MINOR_VERSION;
+ for (minor = 0; minor <= NFSD_SUPPORTED_MINOR_VERSION;
minor++) {
+ if (minor == 0 && nfsd_minorversion(minor, NFSD_TEST))
+ /* for backward compatibility, don't report
+ * +4.0
+ */
+ continue;
len = snprintf(buf, remaining, " %c4.%u",
(nfsd_vers(4, NFSD_TEST) &&
nfsd_minorversion(minor, NFSD_TEST)) ?