LU-8066 lod: replace class_process_proc_param()

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

diff --git a/lustre/lod/lproc_lod.c b/lustre/lod/lproc_lod.c
index cbf7160..80c6d44 100644 (file)
--- a/lustre/lod/lproc_lod.c
+++ b/lustre/lod/lproc_lod.c
@@ -322,13 +322,16 @@ static ssize_t stripecount_store(struct kobject *kobj, struct attribute *attr,
        struct dt_device *dt = container_of(kobj, struct dt_device,
                                            dd_kobj);
        struct lod_device *lod = dt2lod_dev(dt);
-       u32 stripe_count;
+       int stripe_count;
        int rc;
 
-       rc = kstrtouint(buffer, 0, &stripe_count);
+       rc = kstrtoint(buffer, 0, &stripe_count);
        if (rc)
                return rc;
 
+       if (stripe_count < -1)
+               return -ERANGE;
+
        lod_fix_desc_stripe_count(&stripe_count);
        lod->lod_desc.ld_default_stripe_count = stripe_count;