On Mon, 05 Sep 2022, Jingyu Wang <jingyuwang_vip@xxxxxxx> wrote:
> Fix everything checkpatch.pl complained about in drm_print.h
Sorry, you just can't assume the checkpatch.pl complaints are all
correct, or that it would be this trivial to fix them.
This is broken.
> Signed-off-by: Jingyu Wang <jingyuwang_vip@xxxxxxx>
> ---
> include/drm/drm_print.h | 11 ++++++-----
> 1 file changed, 6 insertions(+), 5 deletions(-)
>
> diff --git a/include/drm/drm_print.h b/include/drm/drm_print.h
> index 22fabdeed297..4332fbeb76a8 100644
> --- a/include/drm/drm_print.h
> +++ b/include/drm/drm_print.h
> @@ -1,3 +1,4 @@
> +/* SPDX-License-Identifier: MIT */
What's the point of having both the SPDX and full license text in the
header? But unless you're the license holder, I'd be pretty careful
about removing the license text.
> /*
> * Copyright (C) 2016 Red Hat
> *
> @@ -103,7 +104,7 @@ __printf(2, 0)
> * @va: the va_list
> */
> static inline void
> -drm_vprintf(struct drm_printer *p, const char *fmt, va_list *va)
> +drm_vprintf(struct drm_printer *p, const char *fmt, va_list * va)
Checkpatch is just confused here. Look at all the other params, why
would you add an extra space here?
> {
> struct va_format vaf = { .fmt = fmt, .va = va };
>
> @@ -426,16 +427,16 @@ void drm_dev_dbg(const struct device *dev, enum drm_debug_category category,
>
>
> #define drm_info(drm, fmt, ...) \
> - __drm_printk((drm), info,, fmt, ##__VA_ARGS__)
> + __drm_printk((drm), info, fmt, ##__VA_ARGS__)
>
> #define drm_notice(drm, fmt, ...) \
> - __drm_printk((drm), notice,, fmt, ##__VA_ARGS__)
> + __drm_printk((drm), notice, fmt, ##__VA_ARGS__)
>
> #define drm_warn(drm, fmt, ...) \
> - __drm_printk((drm), warn,, fmt, ##__VA_ARGS__)
> + __drm_printk((drm), warn, fmt, ##__VA_ARGS__)
>
> #define drm_err(drm, fmt, ...) \
> - __drm_printk((drm), err,, "*ERROR* " fmt, ##__VA_ARGS__)
> + __drm_printk((drm), err, "*ERROR* " fmt, ##__VA_ARGS__)
This is macro magic, and that ,, there passes an empty arg. You remove
it completely, shifting all the args to the wrong place, breaking drm
error logging.
BR,
Jani.
>
>
> #define drm_info_once(drm, fmt, ...) \
>
> base-commit: e47eb90a0a9ae20b82635b9b99a8d0979b757ad8
> prerequisite-patch-id: f039528bc88876d6e0f64e843da089e85f6d3f58
> prerequisite-patch-id: c14ed2e970be2c3f8ba746634e8161b94c148e88
--
Jani Nikula, Intel Open Source Graphics Center
