lustre_cfg_new() can fail with ERR_PTR(-ENOMEM) so we should check for
that.
Fixes: d7e09d0397e8 ("staging: add Lustre file system client support")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
diff --git a/drivers/staging/lustre/lustre/obdclass/obd_mount.c b/drivers/staging/lustre/lustre/obdclass/obd_mount.c
index 8e0d4b1d86dc..7cb99f11caa0 100644
--- a/drivers/staging/lustre/lustre/obdclass/obd_mount.c
+++ b/drivers/staging/lustre/lustre/obdclass/obd_mount.c
@@ -159,6 +159,8 @@ static int do_lcfg(char *cfgname, lnet_nid_t nid, int cmd,
lustre_cfg_bufs_set_string(&bufs, 4, s4);
lcfg = lustre_cfg_new(cmd, &bufs);
+ if (IS_ERR(lcfg))
+ return PTR_ERR(lcfg);
lcfg->lcfg_nid = nid;
rc = class_process_config(lcfg);
lustre_cfg_free(lcfg);
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