linux-kernel - [PATCH v3 3/9] mtd: rawnand: denali: remove unneeded casts in denali_{read,write}

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1552380290-19951-4-git-send-email-yamada.masahiro@socionext.com>
Date:   Tue, 12 Mar 2019 17:44:44 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     linux-mtd@...ts.infradead.org,
        Miquel Raynal <miquel.raynal@...tlin.com>
Cc:     Boris Brezillon <bbrezillon@...nel.org>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Brian Norris <computersforpeace@...il.com>,
        linux-kernel@...r.kernel.org, Marek Vasut <marek.vasut@...il.com>,
        Richard Weinberger <richard@....at>,
        David Woodhouse <dwmw2@...radead.org>
Subject: [PATCH v3 3/9] mtd: rawnand: denali: remove unneeded casts in denali_{read,write}_pio

Since (u32 *) can accept an opaque pointer, the explicit casting
from (void *) to (u32 *) is redundant. Change the function argument type
to remove the casts.

Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
---

Changes in v3: None
Changes in v2: None

 drivers/mtd/nand/raw/denali.c | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/drivers/mtd/nand/raw/denali.c b/drivers/mtd/nand/raw/denali.c
index ebeedbd..d2040b7 100644
--- a/drivers/mtd/nand/raw/denali.c
+++ b/drivers/mtd/nand/raw/denali.c
@@ -478,11 +478,10 @@ static void denali_setup_dma32(struct denali_nand_info *denali,
 	denali->host_write(denali, mode | 0x14000, 0x2400);
 }
 
-static int denali_pio_read(struct denali_nand_info *denali, void *buf,
+static int denali_pio_read(struct denali_nand_info *denali, u32 *buf,
 			   size_t size, int page)
 {
 	u32 addr = DENALI_MAP01 | DENALI_BANK(denali) | page;
-	uint32_t *buf32 = (uint32_t *)buf;
 	uint32_t irq_status, ecc_err_mask;
 	int i;
 
@@ -494,7 +493,7 @@ static int denali_pio_read(struct denali_nand_info *denali, void *buf,
 	denali_reset_irq(denali);
 
 	for (i = 0; i < size / 4; i++)
-		*buf32++ = denali->host_read(denali, addr);
+		buf[i] = denali->host_read(denali, addr);
 
 	irq_status = denali_wait_for_irq(denali, INTR__PAGE_XFER_INC);
 	if (!(irq_status & INTR__PAGE_XFER_INC))
@@ -506,18 +505,17 @@ static int denali_pio_read(struct denali_nand_info *denali, void *buf,
 	return irq_status & ecc_err_mask ? -EBADMSG : 0;
 }
 
-static int denali_pio_write(struct denali_nand_info *denali,
-			    const void *buf, size_t size, int page)
+static int denali_pio_write(struct denali_nand_info *denali, const u32 *buf,
+			    size_t size, int page)
 {
 	u32 addr = DENALI_MAP01 | DENALI_BANK(denali) | page;
-	const uint32_t *buf32 = (uint32_t *)buf;
 	uint32_t irq_status;
 	int i;
 
 	denali_reset_irq(denali);
 
 	for (i = 0; i < size / 4; i++)
-		denali->host_write(denali, addr, *buf32++);
+		denali->host_write(denali, addr, buf[i]);
 
 	irq_status = denali_wait_for_irq(denali,
 				INTR__PROGRAM_COMP | INTR__PROGRAM_FAIL);
-- 
2.7.4