[PATCH v3 5/5] pci: mark pci_set_vga_state() as __must_check

[Simon Richter <Simon.Richter@hogyros.de>]

This function can return an error, usually on non-x86 or virtualized
environments.

The only caller so far is __vga_tryget() in vgaarb.

Signed-off-by: Simon Richter <Simon.Richter@hogyros.de>
---
 include/linux/pci.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/pci.h b/include/linux/pci.h
index 1c270f1d5123..aa1451d402d1 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -1720,8 +1720,8 @@ resource_size_t pcibios_window_alignment(struct pci_bus *bus,
 #define PCI_VGA_STATE_CHANGE_BRIDGE (1 << 0)
 #define PCI_VGA_STATE_CHANGE_DECODES (1 << 1)
 
-int pci_set_vga_state(struct pci_dev *pdev, bool decode,
-		      unsigned int command_bits, u32 flags);
+int __must_check pci_set_vga_state(struct pci_dev *pdev, bool decode,
+				   unsigned int command_bits, u32 flags);
 
 /*
  * Virtual interrupts allow for more interrupts to be allocated
-- 
2.47.3