[PATCH] treewide: make use of PTR_ERR_OR_ZERO
Uwe Kleine-König
u.kleine-koenig at pengutronix.de
Wed Jun 24 09:58:36 EDT 2020
PTR_ERR_OR_ZERO is designed to replace boiler plate like:
if (IS_ERR(x))
return PTR_ERR(x);
return 0;
Signed-off-by: Uwe Kleine-König <u.kleine-koenig at pengutronix.de>
---
arch/arm/boards/freescale-mx23-evk/mx23-evk.c | 4 +---
arch/arm/boards/karo-tx28/tx28-stk5.c | 4 +---
common/globalvar.c | 5 +----
common/serdev.c | 5 +----
drivers/mfd/rave-sp.c | 5 +----
drivers/mtd/ubi/eba.c | 12 +++---------
drivers/net/designware_generic.c | 5 +----
drivers/pci/pci-tegra.c | 5 +----
drivers/pwm/core.c | 5 +----
drivers/usb/otg/otgdev.c | 5 +----
drivers/watchdog/rave-sp-wdt.c | 5 +----
11 files changed, 13 insertions(+), 47 deletions(-)
diff --git a/arch/arm/boards/freescale-mx23-evk/mx23-evk.c b/arch/arm/boards/freescale-mx23-evk/mx23-evk.c
index 9dc5967bd93e..b12bb0dd79fb 100644
--- a/arch/arm/boards/freescale-mx23-evk/mx23-evk.c
+++ b/arch/arm/boards/freescale-mx23-evk/mx23-evk.c
@@ -79,9 +79,7 @@ static int register_persistent_environment(void)
/* use the full partition as our persistent environment storage */
cdev = devfs_add_partition("disk0.1", 0, cdev->size,
DEVFS_PARTITION_FIXED, "env0");
- if (IS_ERR(cdev))
- return PTR_ERR(cdev);
- return 0;
+ return PTR_ERR_OR_ZERO(cdev);
}
static int mx23_evk_devices_init(void)
diff --git a/arch/arm/boards/karo-tx28/tx28-stk5.c b/arch/arm/boards/karo-tx28/tx28-stk5.c
index 838754d042ab..c9b947953bb2 100644
--- a/arch/arm/boards/karo-tx28/tx28-stk5.c
+++ b/arch/arm/boards/karo-tx28/tx28-stk5.c
@@ -333,9 +333,7 @@ static int register_persistent_environment(void)
/* use the full partition as our persistent environment storage */
cdev = devfs_add_partition("disk0.1", 0, cdev->size,
DEVFS_PARTITION_FIXED, "env0");
- if (IS_ERR(cdev))
- return PTR_ERR(cdev);
- return 0;
+ return PTR_ERR_OR_ZERO(cdev);
}
static void tx28_get_ethaddr(void)
diff --git a/common/globalvar.c b/common/globalvar.c
index c87f2c933904..98a028a68aa7 100644
--- a/common/globalvar.c
+++ b/common/globalvar.c
@@ -563,10 +563,7 @@ int globalvar_add_simple_bitmask(const char *name, unsigned long *value,
p = dev_add_param_bitmask(&global_device, name, NULL, NULL,
value, names, max, NULL);
- if (IS_ERR(p))
- return PTR_ERR(p);
-
- return 0;
+ return PTR_ERR_OR_ZERO(p);
}
int globalvar_add_simple_ip(const char *name, IPaddr_t *ip)
diff --git a/common/serdev.c b/common/serdev.c
index c50b3bd26acb..4bf11b161892 100644
--- a/common/serdev.c
+++ b/common/serdev.c
@@ -84,10 +84,7 @@ int serdev_device_open(struct serdev_device *serdev)
p = dev_add_param_uint64(serdev->dev, "polling_interval",
serdev_device_set_polling_interval, NULL,
&serdev->polling_interval, "%llu", serdev);
- if (IS_ERR(p))
- return PTR_ERR(p);
-
- return 0;
+ return PTR_ERR_OR_ZERO(p);
}
unsigned int serdev_device_set_baudrate(struct serdev_device *serdev,
diff --git a/drivers/mfd/rave-sp.c b/drivers/mfd/rave-sp.c
index c6ad57d517dc..8fc46b66bb2c 100644
--- a/drivers/mfd/rave-sp.c
+++ b/drivers/mfd/rave-sp.c
@@ -787,10 +787,7 @@ static int rave_sp_add_params(struct rave_sp *sp)
p = dev_add_param_ip(dev, "netmask", NULL, rave_sp_req_ip_addr,
&sp->netmask, sp);
- if (IS_ERR(p))
- return PTR_ERR(p);
-
- return 0;
+ return PTR_ERR_OR_ZERO(p);
}
static int rave_sp_probe(struct device_d *dev)
diff --git a/drivers/mtd/ubi/eba.c b/drivers/mtd/ubi/eba.c
index cca6ec4ba915..071bbca236e9 100644
--- a/drivers/mtd/ubi/eba.c
+++ b/drivers/mtd/ubi/eba.c
@@ -324,9 +324,7 @@ static int leb_read_lock(struct ubi_device *ubi, int vol_id, int lnum)
struct ubi_ltree_entry *le;
le = ltree_add_entry(ubi, vol_id, lnum);
- if (IS_ERR(le))
- return PTR_ERR(le);
- return 0;
+ return PTR_ERR_OR_ZERO(le);
}
/**
@@ -362,9 +360,7 @@ static int leb_write_lock(struct ubi_device *ubi, int vol_id, int lnum)
struct ubi_ltree_entry *le;
le = ltree_add_entry(ubi, vol_id, lnum);
- if (IS_ERR(le))
- return PTR_ERR(le);
- return 0;
+ return PTR_ERR_OR_ZERO(le);
}
/**
@@ -383,9 +379,7 @@ static int leb_write_trylock(struct ubi_device *ubi, int vol_id, int lnum)
struct ubi_ltree_entry *le;
le = ltree_add_entry(ubi, vol_id, lnum);
- if (IS_ERR(le))
- return PTR_ERR(le);
- return 0;
+ return PTR_ERR_OR_ZERO(le);
}
/**
diff --git a/drivers/net/designware_generic.c b/drivers/net/designware_generic.c
index 809c7b7b69e6..90fca1951d88 100644
--- a/drivers/net/designware_generic.c
+++ b/drivers/net/designware_generic.c
@@ -21,10 +21,7 @@ static int dwc_ether_probe(struct device_d *dev)
struct dw_eth_dev *dwc;
dwc = dwc_drv_probe(dev);
- if (IS_ERR(dwc))
- return PTR_ERR(dwc);
-
- return 0;
+ return PTR_ERR_OR_ZERO(dwc);
}
static __maybe_unused struct of_device_id dwc_ether_compatible[] = {
diff --git a/drivers/pci/pci-tegra.c b/drivers/pci/pci-tegra.c
index 7f10b7af2ee1..b534285c97f7 100644
--- a/drivers/pci/pci-tegra.c
+++ b/drivers/pci/pci-tegra.c
@@ -822,10 +822,7 @@ static int tegra_pcie_resets_get(struct tegra_pcie *pcie)
return PTR_ERR(pcie->afi_rst);
pcie->pcie_xrst = reset_control_get(pcie->dev, "pcie_x");
- if (IS_ERR(pcie->pcie_xrst))
- return PTR_ERR(pcie->pcie_xrst);
-
- return 0;
+ return PTR_ERR_OR_ZERO(pcie->pcie_xrst);
}
static int tegra_pcie_get_resources(struct tegra_pcie *pcie)
diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c
index 878f4d72bbf5..aba6c2a7098e 100644
--- a/drivers/pwm/core.c
+++ b/drivers/pwm/core.c
@@ -122,10 +122,7 @@ int pwmchip_add(struct pwm_chip *chip, struct device_d *dev)
p = dev_add_param_bool(&pwm->dev, "inverted", apply_params,
NULL, &pwm->params.polarity, pwm);
- if (IS_ERR(p))
- return PTR_ERR(p);
-
- return 0;
+ return PTR_ERR_OR_ZERO(p);
}
EXPORT_SYMBOL_GPL(pwmchip_add);
diff --git a/drivers/usb/otg/otgdev.c b/drivers/usb/otg/otgdev.c
index 7017796e8cb1..52f43b75d2bd 100644
--- a/drivers/usb/otg/otgdev.c
+++ b/drivers/usb/otg/otgdev.c
@@ -62,8 +62,5 @@ int usb_register_otg_device(struct device_d *parent,
param_mode = dev_add_param_enum(&otg_device, "mode",
otg_set_mode, NULL, &otg_mode,
otg_mode_names, ARRAY_SIZE(otg_mode_names), ctx);
- if (IS_ERR(param_mode))
- return PTR_ERR(param_mode);
-
- return 0;
+ return PTR_ERR_OR_ZERO(param_mode);
}
diff --git a/drivers/watchdog/rave-sp-wdt.c b/drivers/watchdog/rave-sp-wdt.c
index dc673ee35fa4..cad63e22f921 100644
--- a/drivers/watchdog/rave-sp-wdt.c
+++ b/drivers/watchdog/rave-sp-wdt.c
@@ -299,10 +299,7 @@ static int rave_sp_wdt_add_params(struct rave_sp_wdt *sp_wd)
rave_sp_wdt_set_boot_source,
rave_sp_wdt_get_boot_source,
&sp_wd->boot_source, "%u", sp_wd);
- if (IS_ERR(p))
- return PTR_ERR(p);
-
- return 0;
+ return PTR_ERR_OR_ZERO(p);
}
static int rave_sp_wdt_probe(struct device_d *dev)
--
2.27.0
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