LU-5577 obdclass: (*dt_index_page_build_t) arg nob to size_t

[fs/lustre-release.git] / lustre / mdd / mdd_object.c

diff --git a/lustre/mdd/mdd_object.c b/lustre/mdd/mdd_object.c
index 6504da2..f1d78f1 100644 (file)
--- a/lustre/mdd/mdd_object.c
+++ b/lustre/mdd/mdd_object.c
@@ -1850,7 +1850,7 @@ static int mdd_readpage_sanity_check(const struct lu_env *env,
 }
 
 static int mdd_dir_page_build(const struct lu_env *env, union lu_page *lp,
-                             int nob, const struct dt_it_ops *iops,
+                             size_t nob, const struct dt_it_ops *iops,
                              struct dt_it *it, __u32 attr, void *arg)
 {
        struct lu_dirpage       *dp = &lp->lp_dir;
@@ -1862,6 +1862,9 @@ static int mdd_dir_page_build(const struct lu_env *env, union lu_page *lp,
        struct lu_fid            fid;
        int                      first = 1;
 
+       if (nob < sizeof(*dp))
+               return -EINVAL;
+
         memset(area, 0, sizeof (*dp));
         area += sizeof (*dp);
         nob  -= sizeof (*dp);
@@ -1869,7 +1872,7 @@ static int mdd_dir_page_build(const struct lu_env *env, union lu_page *lp,
         ent  = area;
         do {
                 int    len;
-                int    recsize;
+               size_t recsize;
 
                 len = iops->key_size(env, it);