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From: SF Markus Elfring <elfring@users.sourceforge.net>
To: linux-cris-kernel@axis.com,
	Alexander Sverdlin <alexander.sverdlin@gmail.com>,
	Boris Brezillon <boris.brezillon@free-electrons.com>,
	Gregory Clement <gregory.clement@free-electrons.com>,
	Jesper Nilsson <jesper.nilsson@axis.com>,
	Krzysztof Halasa <khalasa@piap.pl>,
	Mikael Starvik <starvik@axis.com>,
	Neil Armstrong <narmstrong@baylibre.com>,
	Shawn Guo <shawnguo@kernel.org>, Tony Lindgren <tony@atomide.com>,
	Vladimir Zapolskiy <vz@mleia.com>
Cc: LKML <linux-kernel@vger.kernel.org>, kernel-janitors@vger.kernel.org
Subject: [PATCH 4/5] cris: nand: Delete an unnecessary local variable in crisv32_nand_flash_probe()
Date: Wed, 4 Oct 2017 20:48:52 +0200	[thread overview]
Message-ID: <e3759e95-cd25-0272-aea4-8b0f347dbf80@users.sourceforge.net> (raw)
In-Reply-To: <cd84411c-d202-70d6-dec2-c02bedaf3594@users.sourceforge.net>

From: Markus Elfring <elfring@users.sourceforge.net>
Date: Wed, 4 Oct 2017 19:32:18 +0200

The local variable "err" was never read in this function.
Thus remove it.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
 arch/cris/arch-v32/drivers/mach-a3/nandflash.c |  6 +-----
 arch/cris/arch-v32/drivers/mach-fs/nandflash.c | 10 ++--------
 2 files changed, 3 insertions(+), 13 deletions(-)

diff --git a/arch/cris/arch-v32/drivers/mach-a3/nandflash.c b/arch/cris/arch-v32/drivers/mach-a3/nandflash.c
index f30579ec8ad7..03a01bfa6ad9 100644
--- a/arch/cris/arch-v32/drivers/mach-a3/nandflash.c
+++ b/arch/cris/arch-v32/drivers/mach-a3/nandflash.c
@@ -108,7 +108,6 @@ struct mtd_info *__init crisv32_nand_flash_probe(void)
 
 	struct mtd_info_wrapper *wrapper;
 	struct nand_chip *this;
-	int err = 0;
 
 	reg_pio_rw_man_ctrl man_ctrl = {
 		.regf_NCE = regk_pio_yes,
@@ -135,10 +134,8 @@ struct mtd_info *__init crisv32_nand_flash_probe(void)
 
 	/* Allocate memory for MTD device structure and private data */
 	wrapper = kzalloc(sizeof(*wrapper), GFP_KERNEL);
-	if (!wrapper) {
-		err = -ENOMEM;
+	if (!wrapper)
 		return NULL;
-	}
 
 	read_cs = write_cs = (void __iomem *)REG_ADDR(pio, regi_pio,
 		rw_io_access0);
@@ -162,7 +159,6 @@ struct mtd_info *__init crisv32_nand_flash_probe(void)
 
 	/* Scan to find existence of the device */
 	if (nand_scan(crisv32_mtd, 1)) {
-		err = -ENXIO;
 		kfree(wrapper);
 		return NULL;
 	}
diff --git a/arch/cris/arch-v32/drivers/mach-fs/nandflash.c b/arch/cris/arch-v32/drivers/mach-fs/nandflash.c
index 5dfd72a89b8a..2b53f0c615ea 100644
--- a/arch/cris/arch-v32/drivers/mach-fs/nandflash.c
+++ b/arch/cris/arch-v32/drivers/mach-fs/nandflash.c
@@ -106,21 +106,17 @@ struct mtd_info *__init crisv32_nand_flash_probe(void)
 	reg_gio_rw_pa_oe pa_oe = REG_RD(gio, regi_gio, rw_pa_oe);
 	struct mtd_info_wrapper *wrapper;
 	struct nand_chip *this;
-	int err = 0;
 
 	/* Allocate memory for MTD device structure and private data */
 	wrapper = kzalloc(sizeof(*wrapper), GFP_KERNEL);
-	if (!wrapper) {
-		err = -ENOMEM;
+	if (!wrapper)
 		return NULL;
-	}
 
 	read_cs = ioremap(MEM_CSP0_START | MEM_NON_CACHEABLE, 8192);
 	write_cs = ioremap(MEM_CSP1_START | MEM_NON_CACHEABLE, 8192);
 
 	if (!read_cs || !write_cs) {
 		printk(KERN_ERR "CRISv32 NAND ioremap failed\n");
-		err = -EIO;
 		goto out_mtd;
 	}
 
@@ -152,10 +148,8 @@ struct mtd_info *__init crisv32_nand_flash_probe(void)
 	/* this->bbt_options = NAND_BBT_USE_FLASH; */
 
 	/* Scan to find existence of the device */
-	if (nand_scan(crisv32_mtd, 1)) {
-		err = -ENXIO;
+	if (nand_scan(crisv32_mtd, 1))
 		goto out_ior;
-	}
 
 	return crisv32_mtd;
 
-- 
2.14.2

  parent reply	other threads:[~2017-10-04 18:49 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-04 18:43 [PATCH 0/5] CRIS v32: Adjustments for crisv32_nand_flash_probe() SF Markus Elfring
2017-10-04 18:45 ` [PATCH 1/5] cris: nand: Delete an error message for a failed memory allocation in crisv32_nand_flash_probe() SF Markus Elfring
2017-10-04 19:44   ` Alexander Sverdlin
2017-10-04 19:55     ` SF Markus Elfring
2017-10-04 20:12     ` [PATCH 1/5] " Julia Lawall
2017-10-04 20:16   ` Alexander Sverdlin
2017-10-04 18:46 ` [PATCH 2/5] cris: nand: Improve a size determination " SF Markus Elfring
2017-10-04 18:47 ` [PATCH 3/5] cris: nand: Delete a jump target " SF Markus Elfring
2017-10-04 18:48 ` SF Markus Elfring [this message]
2017-10-04 20:17   ` [PATCH 4/5] cris: nand: Delete an unnecessary local variable " Alexander Sverdlin
2017-10-04 18:50 ` [PATCH 5/5] cris: nand: Split a condition check " SF Markus Elfring
2017-10-04 20:26   ` Alexander Sverdlin
2017-10-05 15:31 ` [PATCH 0/5] CRIS v32: Adjustments for crisv32_nand_flash_probe() Gregory CLEMENT

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