Commit 95432941 authored Nov 19, 2015 by Ben Skeggs

drm/nouveau/bios: return actual size of the buffer retrieved via _ROM



Fixes detection of a failed attempt at fetching the entire ROM image
in one-shot (a violation of the spec, that works a lot of the time).

Tested on a HP Zbook 15 G2.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

parent 95095032

drivers/gpu/drm/nouveau/nouveau_acpi.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -367,6 +367,7 @@ static int nouveau_rom_call(acpi_handle rom_handle, uint8_t *bios,
		return -ENODEV;
		}
		obj = (union acpi_object *)buffer.pointer;
		len = min(len, (int)obj->buffer.length);
		memcpy(bios+offset, obj->buffer.pointer, len);
		kfree(buffer.pointer);
		return len;