diff options
Diffstat (limited to 'arch/x86/kernel/cpu/intel_rdt_ctrlmondata.c')
| -rw-r--r-- | arch/x86/kernel/cpu/intel_rdt_ctrlmondata.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/intel_rdt_ctrlmondata.c b/arch/x86/kernel/cpu/intel_rdt_ctrlmondata.c index 30aeb267cbd2..23e1d5c249c6 100644 --- a/arch/x86/kernel/cpu/intel_rdt_ctrlmondata.c +++ b/arch/x86/kernel/cpu/intel_rdt_ctrlmondata.c @@ -257,6 +257,11 @@ ssize_t rdtgroup_schemata_write(struct kernfs_open_file *of, ret = -EINVAL; goto out; } + if (tok[0] == '\0') { + rdt_last_cmd_printf("Missing '%s' value\n", resname); + ret = -EINVAL; + goto out; + } ret = rdtgroup_parse_resource(resname, tok, closid); if (ret) goto out; |