LU-5417 obdclass: fix comparison between signed and unsigned

[fs/lustre-release.git] / lustre / lod / lod_object.c

diff --git a/lustre/lod/lod_object.c b/lustre/lod/lod_object.c
index a936f52..2094ae9 100644 (file)
--- a/lustre/lod/lod_object.c
+++ b/lustre/lod/lod_object.c
@@ -705,7 +705,7 @@ int lod_load_lmv_shards(const struct lu_env *env, struct lod_object *lo,
        const struct dt_it_ops  *iops;
        __u32                    stripes;
        __u32                    magic  = le32_to_cpu(lmv1->lmv_magic);
-       size_t                   size;
+       size_t                   lmv1_size;
        int                      rc;
        ENTRY;
 
@@ -721,8 +721,11 @@ int lod_load_lmv_shards(const struct lu_env *env, struct lod_object *lo,
        if (stripes < 1)
                RETURN(0);
 
-       size = lmv_mds_md_size(stripes, magic);
-       if (buf->lb_len < size) {
+       rc = lmv_mds_md_size(stripes, magic);
+       if (rc < 0)
+               RETURN(rc);
+       lmv1_size = rc;
+       if (buf->lb_len < lmv1_size) {
                struct lu_buf tbuf;
 
                if (!resize)
@@ -731,7 +734,7 @@ int lod_load_lmv_shards(const struct lu_env *env, struct lod_object *lo,
                tbuf = *buf;
                buf->lb_buf = NULL;
                buf->lb_len = 0;
-               lu_buf_alloc(buf, size);
+               lu_buf_alloc(buf, lmv1_size);
                lmv1 = buf->lb_buf;
                if (lmv1 == NULL)
                        RETURN(-ENOMEM);