diff options
Diffstat (limited to 'kernel/trace/trace_osnoise.c')
| -rw-r--r-- | kernel/trace/trace_osnoise.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/kernel/trace/trace_osnoise.c b/kernel/trace/trace_osnoise.c index fd259da0aa64..dc734867f0fc 100644 --- a/kernel/trace/trace_osnoise.c +++ b/kernel/trace/trace_osnoise.c @@ -2322,12 +2322,16 @@ osnoise_cpus_write(struct file *filp, const char __user *ubuf, size_t count, int running, err; char *buf __free(kfree) = NULL; - buf = kmalloc(count, GFP_KERNEL); + if (count < 1) + return 0; + + buf = kmalloc(count + 1, GFP_KERNEL); if (!buf) return -ENOMEM; if (copy_from_user(buf, ubuf, count)) return -EFAULT; + buf[count] = '\0'; if (!zalloc_cpumask_var(&osnoise_cpumask_new, GFP_KERNEL)) return -ENOMEM; |