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[PATCH 39/61] irqchip: Prefer IS_ERR_OR_NULL over manual NULL check

Philipp Hahn posted 61 patches 4 weeks, 1 day ago
[PATCH 39/61] irqchip: Prefer IS_ERR_OR_NULL over manual NULL check
Posted by Philipp Hahn 4 weeks, 1 day ago 
Prefer using IS_ERR_OR_NULL() over using IS_ERR() and a manual NULL
check.

Change generated with coccinelle.

To: Marc Zyngier <maz@kernel.org>
To: Thomas Gleixner <tglx@kernel.org>
To: Andrew Lunn <andrew@lunn.ch>
To: Gregory Clement <gregory.clement@bootlin.com>
To: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Philipp Hahn <phahn-oss@avm.de>
---
 drivers/irqchip/irq-gic-v3.c     | 2 +-
 drivers/irqchip/irq-mvebu-odmi.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c
index 20f13b686ab22faf722dd2b24faf96af636a4bbd..6dc9827357a21ae05dd838fb717871c73f3c7562 100644
--- a/drivers/irqchip/irq-gic-v3.c
+++ b/drivers/irqchip/irq-gic-v3.c
@@ -2252,7 +2252,7 @@ static int __init gic_of_init(struct device_node *node, struct device_node *pare
 
 out_unmap_rdist:
 	for (i = 0; i < nr_redist_regions; i++)
-		if (rdist_regs[i].redist_base && !IS_ERR(rdist_regs[i].redist_base))
+		if (!IS_ERR_OR_NULL(rdist_regs[i].redist_base))
 			iounmap(rdist_regs[i].redist_base);
 	kfree(rdist_regs);
 out_unmap_dist:
diff --git a/drivers/irqchip/irq-mvebu-odmi.c b/drivers/irqchip/irq-mvebu-odmi.c
index b99ab9dcc14b3ba982876cf5525499d02bc1c997..94e7eda46e81833cfe0479b6fabba715bf4ef6b8 100644
--- a/drivers/irqchip/irq-mvebu-odmi.c
+++ b/drivers/irqchip/irq-mvebu-odmi.c
@@ -217,7 +217,7 @@ static int __init mvebu_odmi_init(struct device_node *node,
 	for (i = 0; i < odmis_count; i++) {
 		struct odmi_data *odmi = &odmis[i];
 
-		if (odmi->base && !IS_ERR(odmi->base))
+		if (!IS_ERR_OR_NULL(odmi->base))
 			iounmap(odmis[i].base);
 	}
 	bitmap_free(odmis_bm);

-- 
2.43.0
RE: [Intel-wired-lan] [PATCH 39/61] irqchip: Prefer IS_ERR_OR_NULL over manual NULL check
Posted by Loktionov, Aleksandr 4 weeks ago 

> -----Original Message-----
> From: Intel-wired-lan <intel-wired-lan-bounces@osuosl.org> On Behalf
> Of Philipp Hahn
> Sent: Tuesday, March 10, 2026 12:49 PM
> To: amd-gfx@lists.freedesktop.org; apparmor@lists.ubuntu.com;
> bpf@vger.kernel.org; ceph-devel@vger.kernel.org; cocci@inria.fr; dm-
> devel@lists.linux.dev; dri-devel@lists.freedesktop.org;
> gfs2@lists.linux.dev; intel-gfx@lists.freedesktop.org; intel-wired-
> lan@lists.osuosl.org; iommu@lists.linux.dev; kvm@vger.kernel.org;
> linux-arm-kernel@lists.infradead.org; linux-block@vger.kernel.org;
> linux-bluetooth@vger.kernel.org; linux-btrfs@vger.kernel.org; linux-
> cifs@vger.kernel.org; linux-clk@vger.kernel.org; linux-
> erofs@lists.ozlabs.org; linux-ext4@vger.kernel.org; linux-
> fsdevel@vger.kernel.org; linux-gpio@vger.kernel.org; linux-
> hyperv@vger.kernel.org; linux-input@vger.kernel.org; linux-
> kernel@vger.kernel.org; linux-leds@vger.kernel.org; linux-
> media@vger.kernel.org; linux-mips@vger.kernel.org; linux-mm@kvack.org;
> linux-modules@vger.kernel.org; linux-mtd@lists.infradead.org; linux-
> nfs@vger.kernel.org; linux-omap@vger.kernel.org; linux-
> phy@lists.infradead.org; linux-pm@vger.kernel.org; linux-
> rockchip@lists.infradead.org; linux-s390@vger.kernel.org; linux-
> scsi@vger.kernel.org; linux-sctp@vger.kernel.org; linux-security-
> module@vger.kernel.org; linux-sh@vger.kernel.org; linux-
> sound@vger.kernel.org; linux-stm32@st-md-mailman.stormreply.com;
> linux-trace-kernel@vger.kernel.org; linux-usb@vger.kernel.org; linux-
> wireless@vger.kernel.org; netdev@vger.kernel.org;
> ntfs3@lists.linux.dev; samba-technical@lists.samba.org; sched-
> ext@lists.linux.dev; target-devel@vger.kernel.org; tipc-
> discussion@lists.sourceforge.net; v9fs@lists.linux.dev; Philipp Hahn
> <phahn-oss@avm.de>
> Cc: Marc Zyngier <maz@kernel.org>; Thomas Gleixner <tglx@kernel.org>;
> Andrew Lunn <andrew@lunn.ch>; Gregory Clement
> <gregory.clement@bootlin.com>; Sebastian Hesselbarth
> <sebastian.hesselbarth@gmail.com>
> Subject: [Intel-wired-lan] [PATCH 39/61] irqchip: Prefer
> IS_ERR_OR_NULL over manual NULL check
> 
> Prefer using IS_ERR_OR_NULL() over using IS_ERR() and a manual NULL
> check.
> 
> Change generated with coccinelle.
> 
> To: Marc Zyngier <maz@kernel.org>
> To: Thomas Gleixner <tglx@kernel.org>
> To: Andrew Lunn <andrew@lunn.ch>
> To: Gregory Clement <gregory.clement@bootlin.com>
> To: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
> Cc: linux-arm-kernel@lists.infradead.org
> Cc: linux-kernel@vger.kernel.org
> Signed-off-by: Philipp Hahn <phahn-oss@avm.de>
> ---
>  drivers/irqchip/irq-gic-v3.c     | 2 +-
>  drivers/irqchip/irq-mvebu-odmi.c | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-
> v3.c index
> 20f13b686ab22faf722dd2b24faf96af636a4bbd..6dc9827357a21ae05dd838fb7178
> 71c73f3c7562 100644
> --- a/drivers/irqchip/irq-gic-v3.c
> +++ b/drivers/irqchip/irq-gic-v3.c
> @@ -2252,7 +2252,7 @@ static int __init gic_of_init(struct device_node
> *node, struct device_node *pare
> 
>  out_unmap_rdist:
>  	for (i = 0; i < nr_redist_regions; i++)
> -		if (rdist_regs[i].redist_base &&
> !IS_ERR(rdist_regs[i].redist_base))
> +		if (!IS_ERR_OR_NULL(rdist_regs[i].redist_base))
>  			iounmap(rdist_regs[i].redist_base);
>  	kfree(rdist_regs);
>  out_unmap_dist:
> diff --git a/drivers/irqchip/irq-mvebu-odmi.c b/drivers/irqchip/irq-
> mvebu-odmi.c
> index
> b99ab9dcc14b3ba982876cf5525499d02bc1c997..94e7eda46e81833cfe0479b6fabb
> a715bf4ef6b8 100644
> --- a/drivers/irqchip/irq-mvebu-odmi.c
> +++ b/drivers/irqchip/irq-mvebu-odmi.c
> @@ -217,7 +217,7 @@ static int __init mvebu_odmi_init(struct
> device_node *node,
>  	for (i = 0; i < odmis_count; i++) {
>  		struct odmi_data *odmi = &odmis[i];
> 
> -		if (odmi->base && !IS_ERR(odmi->base))
> +		if (!IS_ERR_OR_NULL(odmi->base))
>  			iounmap(odmis[i].base);
>  	}
>  	bitmap_free(odmis_bm);
> 
> --
> 2.43.0

Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
[tip: irq/drivers] irqchip: Use IS_ERR_OR_NULL() instead of NULL and IS_ERR() checks
Posted by tip-bot2 for Philipp Hahn 4 weeks, 1 day ago 
The following commit has been merged into the irq/drivers branch of tip:

Commit-ID:     d50590de0c646332713aa00a8be0012e089028e8
Gitweb:        https://git.kernel.org/tip/d50590de0c646332713aa00a8be0012e089028e8
Author:        Philipp Hahn <phahn-oss@avm.de>
AuthorDate:    Tue, 10 Mar 2026 12:49:05 +01:00
Committer:     Thomas Gleixner <tglx@kernel.org>
CommitterDate: Tue, 10 Mar 2026 18:34:52 +01:00

irqchip: Use IS_ERR_OR_NULL() instead of NULL and IS_ERR() checks

Prefer using IS_ERR_OR_NULL() over using IS_ERR() and a open coded NULL
pointer check.

Change generated with coccinelle.

To: Marc Zyngier <maz@kernel.org>
To: Thomas Gleixner <tglx@kernel.org>
To: Andrew Lunn <andrew@lunn.ch>
To: Gregory Clement <gregory.clement@bootlin.com>
To: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>

Signed-off-by: Philipp Hahn <phahn-oss@avm.de>
Signed-off-by: Thomas Gleixner <tglx@kernel.org>
Link: https://patch.msgid.link/20260310-b4-is_err_or_null-v1-39-bd63b656022d@avm.de
---
 drivers/irqchip/irq-gic-v3.c     | 2 +-
 drivers/irqchip/irq-mvebu-odmi.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c
index 20f13b6..6dc9827 100644
--- a/drivers/irqchip/irq-gic-v3.c
+++ b/drivers/irqchip/irq-gic-v3.c
@@ -2252,7 +2252,7 @@ static int __init gic_of_init(struct device_node *node, struct device_node *pare
 
 out_unmap_rdist:
 	for (i = 0; i < nr_redist_regions; i++)
-		if (rdist_regs[i].redist_base && !IS_ERR(rdist_regs[i].redist_base))
+		if (!IS_ERR_OR_NULL(rdist_regs[i].redist_base))
 			iounmap(rdist_regs[i].redist_base);
 	kfree(rdist_regs);
 out_unmap_dist:
diff --git a/drivers/irqchip/irq-mvebu-odmi.c b/drivers/irqchip/irq-mvebu-odmi.c
index b99ab9d..94e7eda 100644
--- a/drivers/irqchip/irq-mvebu-odmi.c
+++ b/drivers/irqchip/irq-mvebu-odmi.c
@@ -217,7 +217,7 @@ err_unmap:
 	for (i = 0; i < odmis_count; i++) {
 		struct odmi_data *odmi = &odmis[i];
 
-		if (odmi->base && !IS_ERR(odmi->base))
+		if (!IS_ERR_OR_NULL(odmi->base))
 			iounmap(odmis[i].base);
 	}
 	bitmap_free(odmis_bm);

Patchew 2.1-devel-ea86937

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