linux-kernel - [PATCH v8-RESEND 33/33] drm-print: workaround compiler meh

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Date: Thu, 16 May 2024 11:43:57 -0600
From: Jim Cromie <jim.cromie@...il.com>
To: jbaron@...mai.com,
	gregkh@...uxfoundation.org,
	linux-kernel@...r.kernel.org
Cc: ukaszb@...omium.org,
	linux@...musvillemoes.dk,
	joe@...ches.com,
	mcgrof@...nel.org,
	daniel.vetter@...ll.ch,
	tvrtko.ursulin@...ux.intel.com,
	jani.nikula@...el.com,
	ville.syrjala@...ux.intel.com,
	seanpaul@...omium.org,
	robdclark@...il.com,
	groeck@...gle.com,
	yanivt@...gle.com,
	bleung@...gle.com,
	Jim Cromie <jim.cromie@...il.com>
Subject: [PATCH v8-RESEND 33/33] drm-print: workaround compiler meh

For some reason I cannot grok, I get an unused variable 'category'
warning/error, though the usage follows immediately.  This drops the
local var and directly derefs in the macro-call, which somehow avoids
the warning.

commit 9fd6f61a297e ("drm/print: add drm_dbg_printer() for drm device specific printer")
CC: Jani Nikula <jani.nikula@...el.com>
Signed-off-by: Jim Cromie <jim.cromie@...il.com>
---
 drivers/gpu/drm/drm_print.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/drm_print.c b/drivers/gpu/drm/drm_print.c
index efdf82f8cbbb..c400441cd77e 100644
--- a/drivers/gpu/drm/drm_print.c
+++ b/drivers/gpu/drm/drm_print.c
@@ -183,11 +183,10 @@ void __drm_printfn_dbg(struct drm_printer *p, struct va_format *vaf)
 {
 	const struct drm_device *drm = p->arg;
 	const struct device *dev = drm ? drm->dev : NULL;
-	enum drm_debug_category category = p->category;
 	const char *prefix = p->prefix ?: "";
 	const char *prefix_pad = p->prefix ? " " : "";
 
-	if (!__drm_debug_enabled(category))
+	if (!__drm_debug_enabled(p->category))
 		return;
 
 	/* Note: __builtin_return_address(0) is useless here. */
-- 
2.45.0