From: Bin Meng <bmeng.cn@gmail.com>
Date: Thu, 1 Oct 2015 07:36:00 +0000 (-0700)
Subject: video: vesa_fb: Fix wrong return value check of pci_find_class()
X-Git-Tag: v2016.01-rc1~298^2~54
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=af67e7ce237fa0956168efca7909458d4ea93d4b;p=u-boot

video: vesa_fb: Fix wrong return value check of pci_find_class()

When pci_find_class() fails to find a device, it returns -ENODEV.
But now we check the return value against -1. Fix it.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
Acked-by: Anatolij Gustschin <agust@denx.de>
---

diff --git a/drivers/video/vesa_fb.c b/drivers/video/vesa_fb.c
index 4e6d070a5f..a19651f5f3 100644
--- a/drivers/video/vesa_fb.c
+++ b/drivers/video/vesa_fb.c
@@ -34,7 +34,7 @@ void *video_hw_init(void)
 	}
 	if (vbe_get_video_info(gdev)) {
 		dev = pci_find_class(PCI_CLASS_DISPLAY_VGA << 8, 0);
-		if (dev == -1) {
+		if (dev < 0) {
 			printf("no card detected\n");
 			return NULL;
 		}