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SubjectRe: [PATCH v2 09/11] fblog: register console driver
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Hi Joe

On Mon, Jul 9, 2012 at 12:09 AM, Joe Perches <joe@perches.com> wrote:
> On Sun, 2012-07-08 at 23:56 +0200, David Herrmann wrote:
>> We want to print the kernel log to all FBs so we need a console driver.
>> This registers the driver on startup and writes all messages to all
>> registered fblog instances.
>
> Hi David. Trivia only:
>
>> diff --git a/drivers/video/console/fblog.c b/drivers/video/console/fblog.c
> []
>> @@ -47,6 +71,107 @@ static struct fblog_fb *fblog_fbs[FB_MAX];
>> static bool active = 1;
>>
>> #define to_fblog_dev(_d) container_of(_d, struct fblog_fb, dev)
>> +#define FBLOG_STR(x) x, sizeof(x) - 1
>
> That's a rather ugly macro.

But handy ;) I've removed it and replaced the call below with a local
variable which works fine too and seems to be even shorter than with
this macro.

>> +static void fblog_buf_resize(struct fblog_buf *buf, size_t width,
>> + size_t height)
>> +{
>> + u16 **lines = NULL;
>> + size_t i, j, minw, minh;
>> +
>> + if (buf->height == height && buf->width == width)
>> + return;
>> +
>> + if (width && height) {
>> + lines = kzalloc(height * sizeof(char*), GFP_KERNEL);
>
> sizeof(char *) is a bit more kernel style like.

Thanks, both fixed.
David


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