[PATCH 5.19 029/192] fbdev: omapfb: Fix tests for platform_get_irq() failure

Greg Kroah-Hartman
2022-09-13T14:10:56Z

From: Yu Zhe <yuzhe@nfschina.com>

[ Upstream commit acf4c6205e862304681234a6a4375b478af12552 ]

The platform_get_irq() returns negative error codes. It can't actually
return zero.

Signed-off-by: Yu Zhe <yuzhe@nfschina.com>
Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/video/fbdev/omap/omapfb_main.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/video/fbdev/omap/omapfb_main.c b/drivers/video/fbdev/omap/omapfb_main.c
index 292fcb0a24fc9..6ff237cee7f87 100644
--- a/drivers/video/fbdev/omap/omapfb_main.c
+++ b/drivers/video/fbdev/omap/omapfb_main.c
@@ -1643,14 +1643,14 @@ static int omapfb_do_probe(struct platform_device *pdev,
goto cleanup;
}
fbdev->int_irq = platform_get_irq(pdev, 0);
- if (!fbdev->int_irq) {
+ if (fbdev->int_irq < 0) {
dev_err(&pdev->dev, "unable to get irq\n");
r = ENXIO;
goto cleanup;
}

fbdev->ext_irq = platform_get_irq(pdev, 1);
- if (!fbdev->ext_irq) {
+ if (fbdev->ext_irq < 0) {
dev_err(&pdev->dev, "unable to get irq\n");
r = ENXIO;
goto cleanup;
--
2.35.1