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From fd96e35ea7b95f1e216277805be89d66e4ae962d Mon Sep 17 00:00:00 2001
From: Nathan Chancellor <nathan@kernel.org>
Date: Mon, 18 Oct 2021 11:25:37 -0700
Subject: [PATCH] platform/x86: thinkpad_acpi: Fix bitwise vs. logical warning
Git-commit: fd96e35ea7b95f1e216277805be89d66e4ae962d
References: git-fixes
Patch-mainline: v5.16-rc1

A new warning in clang points out a use of bitwise OR with boolean
expressions in this driver:

drivers/platform/x86/thinkpad_acpi.c:9061:11: error: use of bitwise '|' with boolean operands [-Werror,-Wbitwise-instead-of-logical]
        else if ((strlencmp(cmd, "level disengaged") == 0) |
                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
                                                           ||
drivers/platform/x86/thinkpad_acpi.c:9061:11: note: cast one or both operands to int to silence this warning
1 error generated.

This should clearly be a logical OR so change it to fix the warning.

Fixes: fe98a52ce754 ("ACPI: thinkpad-acpi: add sysfs support to fan subdriver")
Link: https://github.com/ClangBuiltLinux/linux/issues/1476
Reported-by: Tor Vic <torvic9@mailbox.org>
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Link: https://lore.kernel.org/r/20211018182537.2316800-1-nathan@kernel.org
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Oliver Neukum <oneukum@suse.com>
---
 drivers/platform/x86/thinkpad_acpi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index cd5c3a04dba3..9c632df734bb 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -9058,7 +9058,7 @@ static int fan_write_cmd_level(const char *cmd, int *rc)
 
 	if (strlencmp(cmd, "level auto") == 0)
 		level = TP_EC_FAN_AUTO;
-	else if ((strlencmp(cmd, "level disengaged") == 0) |
+	else if ((strlencmp(cmd, "level disengaged") == 0) ||
 			(strlencmp(cmd, "level full-speed") == 0))
 		level = TP_EC_FAN_FULLSPEED;
 	else if (sscanf(cmd, "level %d", &level) != 1)
-- 
2.26.2