linux-kernel - [tip: x86/fpu] x86/fpu: Cleanup variable shadowing

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Date:   Mon, 02 May 2022 07:33:55 -0000
From:   "tip-bot2 for Thomas Gleixner" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     kernel test robot <lkp@...el.com>,
        Thomas Gleixner <tglx@...utronix.de>, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: [tip: x86/fpu] x86/fpu: Cleanup variable shadowing

The following commit has been merged into the x86/fpu branch of tip:

Commit-ID:     b91c0922bf1ed15b67a6faa404bc64e3ed532ec2
Gitweb:        https://git.kernel.org/tip/b91c0922bf1ed15b67a6faa404bc64e3ed532ec2
Author:        Thomas Gleixner <tglx@...utronix.de>
AuthorDate:    Mon, 02 May 2022 09:20:42 +02:00
Committer:     Thomas Gleixner <tglx@...utronix.de>
CommitterDate: Mon, 02 May 2022 09:28:31 +02:00

x86/fpu: Cleanup variable shadowing

Addresses: warning: Local variable 'mask' shadows outer variable

Remove extra variable declaration and switch the bit mask assignment to use
BIT_ULL() while at it.

Fixes: 522e92743b35 ("x86/fpu: Deduplicate copy_uabi_from_user/kernel_to_xstate()")
Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Link: https://lore.kernel.org/lkml/202204262032.jFYKit5j-lkp@intel.com
---
 arch/x86/kernel/fpu/xstate.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/fpu/xstate.c b/arch/x86/kernel/fpu/xstate.c
index 31c12f4..81fcd04 100644
--- a/arch/x86/kernel/fpu/xstate.c
+++ b/arch/x86/kernel/fpu/xstate.c
@@ -1233,7 +1233,7 @@ static int copy_uabi_to_xstate(struct fpstate *fpstate, const void *kbuf,
 	}
 
 	for (i = 0; i < XFEATURE_MAX; i++) {
-		u64 mask = ((u64)1 << i);
+		mask = BIT_ULL(i);
 
 		if (hdr.xfeatures & mask) {
 			void *dst = __raw_xsave_addr(xsave, i);