[PATCH 4/5] cris: nand: Delete an unnecessary local variable in crisv32_nand_flash_probe()

From: SF Markus Elfring
Date: Wed Oct 04 2017 - 14:49:09 EST


From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
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@xxxxxxxxxxxxxxxxxxxxx>
---
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