diff options
| author | Mathias Krause <minipli@googlemail.com> | 2014-08-27 18:41:19 +0200 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2014-08-28 09:54:27 +0300 |
| commit | bbe1c2740d3a25aa1dbe5d842d2ff09cddcdde0a (patch) | |
| tree | 3efb4bf01eada95465814178774a336c5d8dc711 /drivers/gpu/drm/i915/intel_bios.c | |
| parent | 813008cd3e93ea8a571b2b7d5b9360a3105b50f7 (diff) | |
drm/i915: Remove bogus __init annotation from DMI callbacks
The __init annotations for the DMI callback functions are wrong as this
code can be called even after the module has been initialized, e.g. like
this:
# echo 1 > /sys/bus/pci/devices/0000:00:02.0/remove
# modprobe i915
# echo 1 > /sys/bus/pci/rescan
The first command will remove the PCI device from the kernel's device
list so the second command won't see it right away. But as it registers
a PCI driver it'll see it on the third command. If the system happens to
match one of the DMI table entries we'll try to call a function in long
released memory and generate an Oops, at best.
Fix this by removing the bogus annotation.
Modpost should have caught that one but it ignores section reference
mismatches from the .rodata section. :/
Fixes: 25e341cfc33d ("drm/i915: quirk away broken OpRegion VBT")
Fixes: 8ca4013d702d ("CHROMIUM: i915: Add DMI override to skip CRT...")
Fixes: 425d244c8670 ("drm/i915: ignore LVDS on intel graphics systems...")
Signed-off-by: Mathias Krause <minipli@googlemail.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Duncan Laurie <dlaurie@chromium.org>
Cc: Jarod Wilson <jarod@redhat.com>
Cc: Rusty Russell <rusty@rustcorp.com.au> # Can modpost be fixed?
Cc: stable@vger.kernel.org
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_bios.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_bios.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c index a66955037e4e..eee79e1c3222 100644 --- a/drivers/gpu/drm/i915/intel_bios.c +++ b/drivers/gpu/drm/i915/intel_bios.c @@ -1123,7 +1123,7 @@ init_vbt_defaults(struct drm_i915_private *dev_priv) } } -static int __init intel_no_opregion_vbt_callback(const struct dmi_system_id *id) +static int intel_no_opregion_vbt_callback(const struct dmi_system_id *id) { DRM_DEBUG_KMS("Falling back to manually reading VBT from " "VBIOS ROM for %s\n", |