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PCI: endpoint: Use "NULL" instead of "0" as a NULL pointer

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When returning a NULL pointer, use "NULL" instead of "0".

Fixes sparse warning given by executing "make C=2 drivers/pci/":

  CHECK   drivers/pci/endpoint/pci-epc-core.c
   drivers/pci/endpoint/pci-epc-core.c: note: in included file:
   ./include/linux/pci-ep-cfs.h:22:16: warning:
   Using plain integer as NULL pointer
  CHECK   drivers/pci/endpoint/pci-epf-core.c
   drivers/pci/endpoint/pci-epf-core.c: note: in included file:
   ./include/linux/pci-ep-cfs.h:31:16: warning:
   Using plain integer as NULL pointer

Link: https://lore.kernel.org/r/80895f7465719edb3aa259e907acc4bc3217945c.1600378209.git.gustavo.pimentel@synopsys.com
Reported-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Kishon Vijay Abraham I <kishon@ti.com>
Cc: Joao Pinto <jpinto@synopsys.com>
This commit is contained in:
Gustavo Pimentel 2020-09-17 23:30:27 +02:00 committed by Bjorn Helgaas
parent 10791141a6
commit 32b313ce9d
1 changed files with 2 additions and 2 deletions
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4
include/linux/pci-ep-cfs.h
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@ -19,7 +19,7 @@ void pci_ep_cfs_remove_epf_group(struct config_group *group);
#else
static inline struct config_group *pci_ep_cfs_add_epc_group(const char *name)
{
return 0;
return NULL;
}
static inline void pci_ep_cfs_remove_epc_group(struct config_group *group)
@ -28,7 +28,7 @@ static inline void pci_ep_cfs_remove_epc_group(struct config_group *group)
static inline struct config_group *pci_ep_cfs_add_epf_group(const char *name)
{
return 0;
return NULL;
}
static inline void pci_ep_cfs_remove_epf_group(struct config_group *group)