From 640f9ff443b693028e5bd2386016e4197d562dd5 Mon Sep 17 00:00:00 2001 From: Jan Vesely Date: Wed, 8 Apr 2015 21:34:36 -0400 Subject: [PATCH] drm/nouveau/bios: 0 means success for nvbios_extend Bugzilla:https://bugs.freedesktop.org/show_bug.cgi?id=89047 CC: David Airlie CC: Ben Skeggs CC: dri-devel@lists.freedesktop.org CC: linux-kernel@vger.kernel.org Signed-off-by: Jan Vesely --- It's needed for 3.19 too drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c | 2 +- drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowacpi.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c index 8c2b7cb..f566ac8 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c @@ -44,7 +44,7 @@ shadow_fetch(struct nvkm_bios *bios, u32 upto) const u32 limit = (upto + 3) & ~3; const u32 start = bios->size; void *data = mthd->data; - if (nvbios_extend(bios, limit) > 0) { + if (nvbios_extend(bios, limit) >= 0) { u32 read = mthd->func->read(data, start, limit - start, bios); bios->size = start + read; } diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowacpi.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowacpi.c index 1fbd93b..f9d0eb5 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowacpi.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowacpi.c @@ -52,7 +52,7 @@ acpi_read_fast(void *data, u32 offset, u32 length, struct nvkm_bios *bios) u32 start = offset & ~0x00000fff; u32 fetch = limit - start; - if (nvbios_extend(bios, limit) > 0) { + if (nvbios_extend(bios, limit) >= 0) { int ret = nouveau_acpi_get_bios_chunk(bios->data, start, fetch); if (ret == fetch) return fetch; @@ -73,7 +73,7 @@ acpi_read_slow(void *data, u32 offset, u32 length, struct nvkm_bios *bios) u32 start = offset & ~0xfff; u32 fetch = 0; - if (nvbios_extend(bios, limit) > 0) { + if (nvbios_extend(bios, limit) >= 0) { while (start + fetch < limit) { int ret = nouveau_acpi_get_bios_chunk(bios->data, start + fetch, -- 2.0.5