[Nouveau] [PATCH] drm/nouveau: printk something when nStatus == 0

[Marcin Slusarz]

when nStatus == 0, nouveau_graph_dump_trap_info printks
something like this:
"PGRAPH_ERROR - nSource: PROTECTION_ERROR DMA_W_PROTECTION, nStatus:\n"
without any information about status - printk additional "0"

Signed-off-by: Marcin Slusarz <marcin.slusarz at gmail.com>
---
 drivers/gpu/drm/nouveau/nouveau_irq.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_irq.c b/drivers/gpu/drm/nouveau/nouveau_irq.c
index 370c72c..57ee73a 100644
--- a/drivers/gpu/drm/nouveau/nouveau_irq.c
+++ b/drivers/gpu/drm/nouveau/nouveau_irq.c
@@ -284,6 +284,10 @@ nouveau_print_bitfield_names_(uint32_t value,
 	 * Also the caller is responsible for adding the newline.
 	 */
 	int i;
+	if (!value) {
+		printk(" 0");
+		return;
+	}
 	for (i = 0; i < namelist_len; ++i) {
 		uint32_t mask = namelist[i].mask;
 		if (value & mask) {
-- 
1.6.6.rc3