linux-kernel - [PATCH 2/4] platform/chrome: cros_typec

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Message-Id: <20220830225831.2362403-3-swboyd@chromium.org>
Date:   Tue, 30 Aug 2022 15:58:29 -0700
From:   Stephen Boyd <swboyd@...omium.org>
To:     Prashant Malani <pmalani@...omium.org>,
        Benson Leung <bleung@...omium.org>
Cc:     linux-kernel@...r.kernel.org, patches@...ts.linux.dev,
        chrome-platform@...ts.linux.dev, Tzung-Bi Shih <tzungbi@...nel.org>
Subject: [PATCH 2/4] platform/chrome: cros_typec_switch: Remove impossible condition

The type of 'index' is unsigned long long, which can't possibly be less
than zero. Remove the impossible check.

Cc: Prashant Malani <pmalani@...omium.org>
Cc: Tzung-Bi Shih <tzungbi@...nel.org>
Signed-off-by: Stephen Boyd <swboyd@...omium.org>
---
 drivers/platform/chrome/cros_typec_switch.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/platform/chrome/cros_typec_switch.c b/drivers/platform/chrome/cros_typec_switch.c
index 383daf2c66b7..3381d842c307 100644
--- a/drivers/platform/chrome/cros_typec_switch.c
+++ b/drivers/platform/chrome/cros_typec_switch.c
@@ -243,7 +243,7 @@ static int cros_typec_register_switches(struct cros_typec_switch_data *sdata)
 			goto err_switch;
 		}
 
-		if (index < 0 || index >= EC_USB_PD_MAX_PORTS) {
+		if (index >= EC_USB_PD_MAX_PORTS) {
 			dev_err(fwnode->dev, "Invalid port index number: %llu\n", index);
 			ret = -EINVAL;
 			goto err_switch;
-- 
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