Linux kernel staging patches
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From: Ashmit Kumar <work.ashmitkumar@gmail.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org,
	Ashmit Kumar <work.ashmitkumar@gmail.com>
Subject: [PATCH 3/3] staging: rtl8723bs: replace SIZE_PTR with uintptr_t and remove definition
Date: Sun, 18 Oct 2026 16:44:02 +0000	[thread overview]
Message-ID: <20261018164403.14921-4-work.ashmitkumar@gmail.com> (raw)
In-Reply-To: <20261018164403.14921-1-work.ashmitkumar@gmail.com>

The driver defines a custom macro SIZE_PTR as __kernel_size_t, which is
used when casting pointer values to integers to calculate alignment
offsets.

Replace the remaining casts of pointers to integers in rtl8723bs_recv.c
and sdio_ops.c with uintptr_t, use size_t for the alignment variable,
and remove the SIZE_PTR macro definition from basic_types.h.

Signed-off-by: Ashmit Kumar <work.ashmitkumar@gmail.com>
---
 drivers/staging/rtl8723bs/hal/rtl8723bs_recv.c  | 11 ++++++-----
 drivers/staging/rtl8723bs/hal/sdio_ops.c        |  6 +++---
 drivers/staging/rtl8723bs/include/basic_types.h |  2 --
 3 files changed, 9 insertions(+), 10 deletions(-)

diff --git a/drivers/staging/rtl8723bs/hal/rtl8723bs_recv.c b/drivers/staging/rtl8723bs/hal/rtl8723bs_recv.c
index a62b845c69f9..f3f9c2699c68 100644
--- a/drivers/staging/rtl8723bs/hal/rtl8723bs_recv.c
+++ b/drivers/staging/rtl8723bs/hal/rtl8723bs_recv.c
@@ -295,7 +295,8 @@ static void rtl8723bs_recv_tasklet(struct tasklet_struct *t)
 
 				pkt_copy->dev = padapter->pnetdev;
 				precvframe->u.hdr.pkt = pkt_copy;
-				skb_reserve(pkt_copy, 8 - ((SIZE_PTR)(pkt_copy->data) & 7));/* force pkt_copy->data at 8-byte alignment address */
+				/* force pkt_copy->data at 8-byte alignment address */
+				skb_reserve(pkt_copy, 8 - ((uintptr_t)(pkt_copy->data) & 7));
 				skb_reserve(pkt_copy, shift_sz);/* force ip_hdr at 8-byte alignment address according to shift_sz. */
 				memcpy(pkt_copy->data, (ptr + rx_report_sz + pattrib->shift_sz), skb_len);
 				precvframe->u.hdr.rx_head = pkt_copy->head;
@@ -390,15 +391,15 @@ s32 rtl8723bs_init_recv_priv(struct adapter *padapter)
 		initrecvbuf(precvbuf, padapter);
 
 		if (!precvbuf->pskb) {
-			SIZE_PTR tmpaddr = 0;
-			SIZE_PTR alignment = 0;
+			uintptr_t tmpaddr = 0;
+			size_t alignment = 0;
 
 			precvbuf->pskb = __dev_alloc_skb(MAX_RECVBUF_SZ + RECVBUFF_ALIGN_SZ, GFP_ATOMIC);
 			if (precvbuf->pskb) {
 				precvbuf->pskb->dev = padapter->pnetdev;
 
-				tmpaddr = (SIZE_PTR)precvbuf->pskb->data;
-				alignment = tmpaddr & (RECVBUFF_ALIGN_SZ-1);
+				tmpaddr = (uintptr_t)precvbuf->pskb->data;
+				alignment = tmpaddr & (RECVBUFF_ALIGN_SZ - 1);
 				skb_reserve(precvbuf->pskb, (RECVBUFF_ALIGN_SZ - alignment));
 			}
 		}
diff --git a/drivers/staging/rtl8723bs/hal/sdio_ops.c b/drivers/staging/rtl8723bs/hal/sdio_ops.c
index c12f670922d5..9cc5c651f35a 100644
--- a/drivers/staging/rtl8723bs/hal/sdio_ops.c
+++ b/drivers/staging/rtl8723bs/hal/sdio_ops.c
@@ -653,8 +653,8 @@ static struct recv_buf *sd_recv_rxfifo(struct adapter *adapter, u32 size)
 
 	/* 3 2. alloc skb */
 	if (!recvbuf->pskb) {
-		SIZE_PTR tmpaddr = 0;
-		SIZE_PTR alignment = 0;
+		uintptr_t tmpaddr = 0;
+		size_t alignment = 0;
 
 		recvbuf->pskb = __dev_alloc_skb(MAX_RECVBUF_SZ + RECVBUFF_ALIGN_SZ, GFP_ATOMIC);
 		if (!recvbuf->pskb)
@@ -662,7 +662,7 @@ static struct recv_buf *sd_recv_rxfifo(struct adapter *adapter, u32 size)
 
 		recvbuf->pskb->dev = adapter->pnetdev;
 
-		tmpaddr = (SIZE_PTR)recvbuf->pskb->data;
+		tmpaddr = (uintptr_t)recvbuf->pskb->data;
 		alignment = tmpaddr & (RECVBUFF_ALIGN_SZ - 1);
 		skb_reserve(recvbuf->pskb, (RECVBUFF_ALIGN_SZ - alignment));
 	}
diff --git a/drivers/staging/rtl8723bs/include/basic_types.h b/drivers/staging/rtl8723bs/include/basic_types.h
index d2436459cff6..c3947e61ec22 100644
--- a/drivers/staging/rtl8723bs/include/basic_types.h
+++ b/drivers/staging/rtl8723bs/include/basic_types.h
@@ -13,8 +13,6 @@
 #include <linux/types.h>
 #include <linux/stddef.h>
 
-#define SIZE_PTR __kernel_size_t
-
 /* port from fw by thomas */
 /*  TODO: Belows are Sync from SD7-Driver. It is necessary to check correctness */
 
-- 
2.43.0


  parent reply	other threads:[~2026-10-18 16:44 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-10-18 16:43 [PATCH 0/3] staging: rtl8723bs: clean up SIZE_PTR usage and remove custom macro Ashmit Kumar
2026-10-18 16:44 ` [PATCH 1/3] staging: rtl8723bs: use PTR_ALIGN() for pointer alignment Ashmit Kumar
2026-10-18 16:44 ` [PATCH 2/3] staging: rtl8723bs: remove unnecessary pointer-to-integer casts Ashmit Kumar
2026-10-18 16:44 ` Ashmit Kumar [this message]
2026-10-19  7:16 ` [PATCH 0/3] staging: rtl8723bs: clean up SIZE_PTR usage and remove custom macro Dan Carpenter

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