diff mbox series

[-next] PCI: endpoint: Use helper function IS_ERR_OR_NULL()

Message ID 20230817070932.341667-1-ruanjinjie@huawei.com (mailing list archive)
State Accepted
Delegated to: Krzysztof Wilczyński
Headers show
Series [-next] PCI: endpoint: Use helper function IS_ERR_OR_NULL() | expand

Commit Message

Jinjie Ruan Aug. 17, 2023, 7:09 a.m. UTC
Use IS_ERR_OR_NULL() instead of open-coding it
to simplify the code.

Signed-off-by: Ruan Jinjie <ruanjinjie@huawei.com>
---
 drivers/pci/endpoint/pci-epc-core.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

Comments

Manivannan Sadhasivam Aug. 23, 2023, 6:12 a.m. UTC | #1
On Thu, Aug 17, 2023 at 03:09:31PM +0800, Ruan Jinjie wrote:
> Use IS_ERR_OR_NULL() instead of open-coding it
> to simplify the code.
> 
> Signed-off-by: Ruan Jinjie <ruanjinjie@huawei.com>

Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>

- Mani

> ---
>  drivers/pci/endpoint/pci-epc-core.c | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/pci/endpoint/pci-epc-core.c b/drivers/pci/endpoint/pci-epc-core.c
> index 5a4a8b0be626..fe421d46a8a4 100644
> --- a/drivers/pci/endpoint/pci-epc-core.c
> +++ b/drivers/pci/endpoint/pci-epc-core.c
> @@ -38,7 +38,7 @@ static int devm_pci_epc_match(struct device *dev, void *res, void *match_data)
>   */
>  void pci_epc_put(struct pci_epc *epc)
>  {
> -	if (!epc || IS_ERR(epc))
> +	if (IS_ERR_OR_NULL(epc))
>  		return;
>  
>  	module_put(epc->ops->owner);
> @@ -660,7 +660,7 @@ void pci_epc_remove_epf(struct pci_epc *epc, struct pci_epf *epf,
>  	struct list_head *list;
>  	u32 func_no = 0;
>  
> -	if (!epc || IS_ERR(epc) || !epf)
> +	if (IS_ERR_OR_NULL(epc) || !epf)
>  		return;
>  
>  	if (type == PRIMARY_INTERFACE) {
> @@ -691,7 +691,7 @@ void pci_epc_linkup(struct pci_epc *epc)
>  {
>  	struct pci_epf *epf;
>  
> -	if (!epc || IS_ERR(epc))
> +	if (IS_ERR_OR_NULL(epc))
>  		return;
>  
>  	mutex_lock(&epc->list_lock);
> @@ -717,7 +717,7 @@ void pci_epc_linkdown(struct pci_epc *epc)
>  {
>  	struct pci_epf *epf;
>  
> -	if (!epc || IS_ERR(epc))
> +	if (IS_ERR_OR_NULL(epc))
>  		return;
>  
>  	mutex_lock(&epc->list_lock);
> @@ -743,7 +743,7 @@ void pci_epc_init_notify(struct pci_epc *epc)
>  {
>  	struct pci_epf *epf;
>  
> -	if (!epc || IS_ERR(epc))
> +	if (IS_ERR_OR_NULL(epc))
>  		return;
>  
>  	mutex_lock(&epc->list_lock);
> @@ -769,7 +769,7 @@ void pci_epc_bme_notify(struct pci_epc *epc)
>  {
>  	struct pci_epf *epf;
>  
> -	if (!epc || IS_ERR(epc))
> +	if (IS_ERR_OR_NULL(epc))
>  		return;
>  
>  	mutex_lock(&epc->list_lock);
> -- 
> 2.34.1
>
Krzysztof Wilczyński Aug. 30, 2023, 4:44 a.m. UTC | #2
Hello,

> Use IS_ERR_OR_NULL() instead of open-coding it
> to simplify the code.

Applied to endpoint, thank you!

[1/1] PCI: endpoint: Use IS_ERR_OR_NULL() helper function
      https://git.kernel.org/pci/pci/c/6f6a75878e64

	Krzysztof
diff mbox series

Patch

diff --git a/drivers/pci/endpoint/pci-epc-core.c b/drivers/pci/endpoint/pci-epc-core.c
index 5a4a8b0be626..fe421d46a8a4 100644
--- a/drivers/pci/endpoint/pci-epc-core.c
+++ b/drivers/pci/endpoint/pci-epc-core.c
@@ -38,7 +38,7 @@  static int devm_pci_epc_match(struct device *dev, void *res, void *match_data)
  */
 void pci_epc_put(struct pci_epc *epc)
 {
-	if (!epc || IS_ERR(epc))
+	if (IS_ERR_OR_NULL(epc))
 		return;
 
 	module_put(epc->ops->owner);
@@ -660,7 +660,7 @@  void pci_epc_remove_epf(struct pci_epc *epc, struct pci_epf *epf,
 	struct list_head *list;
 	u32 func_no = 0;
 
-	if (!epc || IS_ERR(epc) || !epf)
+	if (IS_ERR_OR_NULL(epc) || !epf)
 		return;
 
 	if (type == PRIMARY_INTERFACE) {
@@ -691,7 +691,7 @@  void pci_epc_linkup(struct pci_epc *epc)
 {
 	struct pci_epf *epf;
 
-	if (!epc || IS_ERR(epc))
+	if (IS_ERR_OR_NULL(epc))
 		return;
 
 	mutex_lock(&epc->list_lock);
@@ -717,7 +717,7 @@  void pci_epc_linkdown(struct pci_epc *epc)
 {
 	struct pci_epf *epf;
 
-	if (!epc || IS_ERR(epc))
+	if (IS_ERR_OR_NULL(epc))
 		return;
 
 	mutex_lock(&epc->list_lock);
@@ -743,7 +743,7 @@  void pci_epc_init_notify(struct pci_epc *epc)
 {
 	struct pci_epf *epf;
 
-	if (!epc || IS_ERR(epc))
+	if (IS_ERR_OR_NULL(epc))
 		return;
 
 	mutex_lock(&epc->list_lock);
@@ -769,7 +769,7 @@  void pci_epc_bme_notify(struct pci_epc *epc)
 {
 	struct pci_epf *epf;
 
-	if (!epc || IS_ERR(epc))
+	if (IS_ERR_OR_NULL(epc))
 		return;
 
 	mutex_lock(&epc->list_lock);