diff options
Diffstat (limited to 'kernel/trace/trace_osnoise.c')
| -rw-r--r-- | kernel/trace/trace_osnoise.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/kernel/trace/trace_osnoise.c b/kernel/trace/trace_osnoise.c index e732c9e37e14..6819b93309ce 100644 --- a/kernel/trace/trace_osnoise.c +++ b/kernel/trace/trace_osnoise.c @@ -2302,7 +2302,7 @@ osnoise_cpus_read(struct file *filp, char __user *ubuf, size_t count, * osnoise_cpus_write - Write function for "cpus" entry * @filp: The active open file structure * @ubuf: The user buffer that contains the value to write - * @cnt: The maximum number of bytes to write to "file" + * @count: The maximum number of bytes to write to "file" * @ppos: The current position in @file * * This function provides a write implementation for the "cpus" @@ -2320,10 +2320,11 @@ osnoise_cpus_write(struct file *filp, const char __user *ubuf, size_t count, { cpumask_var_t osnoise_cpumask_new; int running, err; - char buf[256]; + char *buf __free(kfree) = NULL; - if (count >= 256) - return -EINVAL; + buf = kmalloc(count, GFP_KERNEL); + if (!buf) + return -ENOMEM; if (copy_from_user(buf, ubuf, count)) return -EFAULT; |