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PCI: endpoint: Use IS_ERR_OR_NULL() helper function 

Use the IS_ERR_OR_NULL() helper instead of open-coding a NULL and an
error pointer checks to simplify the code and improve readability.

No functional changes are intended.

[kwilczynski: commit log]
Signed-off-by: Ruan Jinjie <ruanjinjie@huawei.com>
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
This commit is contained in:
Ruan Jinjie 2023-08-17 15:09:31 +08:00 committed by Bjorn Helgaas
parent 0bb80ecc33
commit 63a0b7dc15
1 changed files with 6 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/pci/endpoint/pci-epc-core.c
View File

@ -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);