[PATCH 1/9] drivers/gpu/drm/drm_stub.c: Use printf extension %pV

[Joe Perches]

Using %pV reduces the number of printk calls and
eliminates any possible message interleaving from
other printk calls.

Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
---
 drivers/gpu/drm/drm_stub.c |   14 +++++++++++---
 1 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/drm_stub.c b/drivers/gpu/drm/drm_stub.c
index cdc89ee..e632527 100644
--- a/drivers/gpu/drm/drm_stub.c
+++ b/drivers/gpu/drm/drm_stub.c
@@ -57,13 +57,21 @@ void drm_ut_debug_printk(unsigned int request_level,
 			 const char *function_name,
 			 const char *format, ...)
 {
+	struct va_format vaf;
 	va_list args;
 
 	if (drm_debug & request_level) {
-		if (function_name)
-			printk(KERN_DEBUG "[%s:%s], ", prefix, function_name);
 		va_start(args, format);
-		vprintk(format, args);
+
+		vaf.fmt = format;
+		vaf.va = &args;
+
+		if (function_name)
+			printk(KERN_DEBUG "[%s:%s], %pV",
+			       prefix, function_name, &vaf);
+		else
+			printk(KERN_DEBUG "%pV", &vaf);
+
 		va_end(args);
 	}
 }
-- 
1.7.3.1.g432b3.dirty

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