[RFC PATCH 09/17] drm/i915/vga: Drop uses of pci_read_config_*() return value

Saheed O. Bolarinwa
2020-08-01T12:25:21Z

drivers/gpu/drm/i915/display/intel_vga.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_vga.c b/drivers/gpu/drm/i915/display/intel_vga.c
index be333699c515..6f9406699c9d 100644
--- a/drivers/gpu/drm/i915/display/intel_vga.c
+++ b/drivers/gpu/drm/i915/display/intel_vga.c
@@ -99,7 +99,8 @@ intel_vga_set_state(struct drm_i915_private *i915, bool enable_decode)
unsigned int reg = INTEL_GEN(i915) >= 6 ? SNB_GMCH_CTRL : INTEL_GMCH_CTRL;
u16 gmch_ctrl;

- if (pci_read_config_word(i915->bridge_dev, reg, &gmch_ctrl)) {
+ pci_read_config_word(i915->bridge_dev, reg, &gmch_ctrl);
+ if (gmch_ctrl == (u16)~0) {
drm_err(&i915->drm, "failed to read control word\n");
return -EIO;
}
--
2.18.4