From: Nathan Chancellor <natechancellor@gmail.com>
To: Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>,
x86@kernel.org, linux-kernel@vger.kernel.org,
Nathan Chancellor <natechancellor@gmail.com>
Subject: [PATCH] x86/cpu/amd: Remove unnecessary parentheses
Date: Tue, 2 Oct 2018 15:45:11 -0700 [thread overview]
Message-ID: <20181002224511.14929-1-natechancellor@gmail.com> (raw)
Clang warns when multiple pairs of parentheses are used for a single
conditional statement.
arch/x86/kernel/cpu/amd.c:925:14: warning: equality comparison with
extraneous parentheses [-Wparentheses-equality]
if ((c->x86 == 6)) {
~~~~~~~^~~~
arch/x86/kernel/cpu/amd.c:925:14: note: remove extraneous parentheses
around the comparison to silence this warning
if ((c->x86 == 6)) {
~ ^ ~
arch/x86/kernel/cpu/amd.c:925:14: note: use '=' to turn this equality
comparison into an assignment
if ((c->x86 == 6)) {
^~
=
1 warning generated.
Link: https://github.com/ClangBuiltLinux/linux/issues/187
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
---
arch/x86/kernel/cpu/amd.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index 22ab408177b2..eeea634bee0a 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -922,7 +922,7 @@ static void init_amd(struct cpuinfo_x86 *c)
static unsigned int amd_size_cache(struct cpuinfo_x86 *c, unsigned int size)
{
/* AMD errata T13 (order #21922) */
- if ((c->x86 == 6)) {
+ if (c->x86 == 6) {
/* Duron Rev A0 */
if (c->x86_model == 3 && c->x86_stepping == 0)
size = 64;
--
2.19.0
next reply other threads:[~2018-10-02 22:45 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-02 22:45 Nathan Chancellor [this message]
2018-10-03 6:33 ` [tip:x86/urgent] x86/cpu/amd: Remove unnecessary parentheses tip-bot for Nathan Chancellor
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