linux-kernel - [PATCH] Drivers: hv: vmbus: Remove unnecessary (void*) conversions

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Date:   Wed, 19 Apr 2023 16:03:31 +0800
From:   Suhui <suhui@...china.com>
To:     "K . Y . Srinivasa" <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Wei Liu <wei.liu@...nel.org>, Dexuan Cui <decui@...rosoft.com>
Cc:     linux-hyperv@...r.kernel.org, linux-kernel@...r.kernel.org,
        Suhui <suhui@...china.com>
Subject: [PATCH] Drivers: hv: vmbus: Remove unnecessary (void*) conversions

No need cast (void*) to (struct hv_ring_buffer *).

Signed-off-by: Suhui <suhui@...china.com>
---
 drivers/hv/ring_buffer.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/hv/ring_buffer.c b/drivers/hv/ring_buffer.c
index c6692fd5ab15..5471321169e9 100644
--- a/drivers/hv/ring_buffer.c
+++ b/drivers/hv/ring_buffer.c
@@ -209,9 +209,8 @@ int hv_ringbuffer_init(struct hv_ring_buffer_info *ring_info,
 		for (i = 0; i < 2 * (page_cnt - 1); i++)
 			pfns_wraparound[i + 1] = pfn + i % (page_cnt - 1) + 1;
 
-		ring_info->ring_buffer = (struct hv_ring_buffer *)
-			vmap_pfn(pfns_wraparound, page_cnt * 2 - 1,
-				 PAGE_KERNEL);
+		ring_info->ring_buffer = vmap_pfn(pfns_wraparound, page_cnt * 2 - 1,
+						  PAGE_KERNEL);
 		kfree(pfns_wraparound);
 
 		if (!ring_info->ring_buffer)
@@ -231,9 +230,8 @@ int hv_ringbuffer_init(struct hv_ring_buffer_info *ring_info,
 			pages_wraparound[i + 1] =
 				&pages[i % (page_cnt - 1) + 1];
 
-		ring_info->ring_buffer = (struct hv_ring_buffer *)
-			vmap(pages_wraparound, page_cnt * 2 - 1, VM_MAP,
-				PAGE_KERNEL);
+		ring_info->ring_buffer = vmap(pages_wraparound, page_cnt * 2 - 1, VM_MAP,
+					      PAGE_KERNEL);
 
 		kfree(pages_wraparound);
 		if (!ring_info->ring_buffer)
-- 
2.34.1