LU-14788 lnet: check memdup_user_nul using IS_ERR

[fs/lustre-release.git] / libcfs / libcfs / module.c

diff --git a/libcfs/libcfs/module.c b/libcfs/libcfs/module.c
index 549a98c..f966e61 100644 (file)
--- a/libcfs/libcfs/module.c
+++ b/libcfs/libcfs/module.c
@@ -307,8 +307,8 @@ static int __proc_dobitmasks(void *data, int write,
                }
        } else {
                tmpstr = memdup_user_nul(buffer, nob);
-               if (!tmpstr)
-                       return -ENOMEM;
+               if (IS_ERR(tmpstr))
+                       return PTR_ERR(tmpstr);
 
                rc = libcfs_debug_str2mask(mask, strim(tmpstr), is_subsys);
                /* Always print LBUG/LASSERT to console, so keep this mask */