NFSD: Using type of uint32_t for ex_nflavors instead of int

ex_nflavors can't be negative number, just defined by uint32_t.

Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>

2 files changed, 5 insertions, 4 deletions

diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c
index 263d30e7972e..788405107006 100644
--- a/fs/nfsd/export.c
+++ b/fs/nfsd/export.c
@@ -438,13 +438,14 @@ out_free_all:
 
 static int secinfo_parse(char **mesg, char *buf, struct svc_export *exp)
 {
-        int listsize, err;
         struct exp_flavor_info *f;
+        u32 listsize;
+        int err;
 
-        err = get_int(mesg, &listsize);
+        err = get_uint(mesg, &listsize);
         if (err)
                 return err;
-        if (listsize < 0 || listsize > MAX_SECINFO_LIST)
+        if (listsize > MAX_SECINFO_LIST)
                 return -EINVAL;
 
         for (f = exp->ex_flavors; f < exp->ex_flavors + listsize; f++) {
diff --git a/fs/nfsd/export.h b/fs/nfsd/export.h
index c7d4ed05e470..cfeea85c5bed 100644
--- a/fs/nfsd/export.h
+++ b/fs/nfsd/export.h
@@ -54,7 +54,7 @@ struct svc_export {
         int                     ex_fsid;
         unsigned char *         ex_uuid; /* 16 byte fsid */
         struct nfsd4_fs_locations ex_fslocs;
-        int                     ex_nflavors;
+        uint32_t                ex_nflavors;
         struct exp_flavor_info  ex_flavors[MAX_SECINFO_LIST];
         struct cache_detail     *cd;
 };