[PATCH] vivi: Fix test of unsigned in vivi_create_instance()

[Roel Kluin]

video_nr is unsigned so the test did not work.

Signed-off-by: Roel Kluin <roel.kluin@xxxxxxxxx>
---
Found using coccinelle: http://coccinelle.lip6.fr/

diff --git a/drivers/media/video/vivi.c b/drivers/media/video/vivi.c
index 7705fc6..328af3a 100644
--- a/drivers/media/video/vivi.c
+++ b/drivers/media/video/vivi.c
@@ -1375,7 +1375,7 @@ static int __init vivi_create_instance(int inst)
 	snprintf(vfd->name, sizeof(vfd->name), "%s (%i)",
 			vivi_template.name, vfd->num);
 
-	if (video_nr >= 0)
+	if (video_nr != -1)
 		video_nr++;
 
 	dev->vfd = vfd;
--
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