Re: [PATCH] ftrace: return error instead of 12 bytes read

[Steven Rostedt]

On Wed, 2009-11-11 at 22:26 +0100, Roel Kluin wrote:
> A negative error value is required: now we cannot
> distinguish ENOMEM from a valid read of 12 bytes.
> 
> Signed-off-by: Roel Kluin <roel.kluin@xxxxxxxxx>

Thanks! I'll pull this in right away and get it out to Ingo.

-- Steve

> ---
>  kernel/trace/trace.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
> index b20d3ec..03c7fd5 100644
> --- a/kernel/trace/trace.c
> +++ b/kernel/trace/trace.c
> @@ -3730,7 +3730,7 @@ tracing_stats_read(struct file *filp, char __user *ubuf,
>  
>  	s = kmalloc(sizeof(*s), GFP_KERNEL);
>  	if (!s)
> -		return ENOMEM;
> +		return -ENOMEM;
>  
>  	trace_seq_init(s);
>  

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