linux-kernel - [PATCH] char/adi: Remove redundant less-than-zero check in adi

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Message-ID: <20250903202350.182446-2-thorsten.blum@linux.dev>
Date: Wed,  3 Sep 2025 22:23:51 +0200
From: Thorsten Blum <thorsten.blum@...ux.dev>
To: Arnd Bergmann <arnd@...db.de>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: Thorsten Blum <thorsten.blum@...ux.dev>,
	linux-kernel@...r.kernel.org
Subject: [PATCH] char/adi: Remove redundant less-than-zero check in adi_write()

The function parameter 'size_t count' is unsigned and cannot be less
than zero. Remove the redundant condition.

Signed-off-by: Thorsten Blum <thorsten.blum@...ux.dev>
---
 drivers/char/adi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/char/adi.c b/drivers/char/adi.c
index f9bec10a6064..4312b0cc391c 100644
--- a/drivers/char/adi.c
+++ b/drivers/char/adi.c
@@ -131,7 +131,7 @@ static ssize_t adi_write(struct file *file, const char __user *buf,
 	ssize_t ret;
 	int i;
 
-	if (count <= 0)
+	if (count == 0)
 		return -EINVAL;
 
 	ver_buf_sz = min_t(size_t, count, MAX_BUF_SZ);
-- 
2.51.0