linux-kernel - [PATCH] video: fbdev: mb862xx: Replace NO

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <58bf3cab7a6a7797f109ea40490cf5520c4b565d.1665034339.git.christophe.leroy@csgroup.eu>
Date:   Thu,  6 Oct 2022 07:33:17 +0200
From:   Christophe Leroy <christophe.leroy@...roup.eu>
To:     Helge Deller <deller@....de>
Cc:     Christophe Leroy <christophe.leroy@...roup.eu>,
        linux-kernel@...r.kernel.org, linux-fbdev@...r.kernel.org,
        dri-devel@...ts.freedesktop.org
Subject: [PATCH] video: fbdev: mb862xx: Replace NO_IRQ by 0

NO_IRQ is used to check the return of irq_of_parse_and_map().

On some architecture NO_IRQ is 0, on other architectures it is -1.

irq_of_parse_and_map() returns 0 on error, independent of NO_IRQ.

So use 0 instead of using NO_IRQ.

Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>
---
 drivers/video/fbdev/mb862xx/mb862xxfbdrv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c b/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c
index a7508f5be343..3f605d2d8f0c 100644
--- a/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c
+++ b/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c
@@ -692,7 +692,7 @@ static int of_platform_mb862xx_probe(struct platform_device *ofdev)
 	par->dev = dev;
 
 	par->irq = irq_of_parse_and_map(np, 0);
-	if (par->irq == NO_IRQ) {
+	if (!par->irq) {
 		dev_err(dev, "failed to map irq\n");
 		ret = -ENODEV;
 		goto fbrel;
-- 
2.37.1