linux-kernel - [PATCH 4/4] ACPI: sysfs: Remove some dead code

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Message-Id: <eb978f8d3141857438a134885e9c38a75bf2245c.1698081019.git.christophe.jaillet@wanadoo.fr>
Date:   Mon, 23 Oct 2023 21:33:18 +0200
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     rafael@...nel.org, lenb@...nel.org
Cc:     linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>
Subject: [PATCH 4/4] ACPI: sysfs: Remove some dead code

snprintf() never returns <0 values.
So remove some dead code.

Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 drivers/acpi/device_sysfs.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/acpi/device_sysfs.c b/drivers/acpi/device_sysfs.c
index 1cf6568a813f..23373faa35ec 100644
--- a/drivers/acpi/device_sysfs.c
+++ b/drivers/acpi/device_sysfs.c
@@ -168,8 +168,6 @@ static int create_pnp_modalias(const struct acpi_device *acpi_dev, char *modalia
 			continue;
 
 		count = snprintf(&modalias[len], size, "%s:", id->id);
-		if (count < 0)
-			return -EINVAL;
 
 		if (count >= size)
 			return -ENOMEM;
@@ -228,8 +226,6 @@ static int create_of_modalias(const struct acpi_device *acpi_dev, char *modalias
 	for (i = 0; i < nval; i++, obj++) {
 		count = snprintf(&modalias[len], size, "C%s",
 				 obj->string.pointer);
-		if (count < 0)
-			return -EINVAL;
 
 		if (count >= size)
 			return -ENOMEM;
-- 
2.32.0