linux-kernel - [PATCH] KVM: stats: remove dead stores

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Message-Id: <20210810102133.3316768-1-pbonzini@redhat.com>
Date:   Tue, 10 Aug 2021 06:21:33 -0400
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     linux-kernel@...r.kernel.org, kvm@...r.kernel.org
Subject: [PATCH] KVM: stats: remove dead stores

These stores are copied and pasted from the "if" statements above.
They are dead and while they are not really a bug, they can be
confusing to anyone reading the code as well.  Remove them.

Signed-off-by: Paolo Bonzini <pbonzini@...hat.com>
---
 virt/kvm/binary_stats.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/virt/kvm/binary_stats.c b/virt/kvm/binary_stats.c
index e609d428811a..eefca6c69f51 100644
--- a/virt/kvm/binary_stats.c
+++ b/virt/kvm/binary_stats.c
@@ -136,9 +136,7 @@ ssize_t kvm_stats_read(char *id, const struct kvm_stats_header *header,
 		src = stats + pos - header->data_offset;
 		if (copy_to_user(dest, src, copylen))
 			return -EFAULT;
-		remain -= copylen;
 		pos += copylen;
-		dest += copylen;
 	}
 
 	*offset = pos;
-- 
2.27.0