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drm/nouveau/mmu/r535: uninitialized variable in r535_bar_new_()

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[ Upstream commit 65323796de ]

If gf100_bar_new_() fails then "bar" is not initialized.

Fixes: 5bf0257136 ("drm/nouveau/mmu/r535: initial support")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Danilo Krummrich <dakr@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/dab21df7-4d90-4479-97d8-97e5d228c714@moroto.mountain
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Dan Carpenter 2024-02-13 21:09:57 +03:00 committed by Greg Kroah-Hartman
parent de16a53c14
commit bf21b0b98a
1 changed files with 2 additions and 3 deletions
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5
drivers/gpu/drm/nouveau/nvkm/subdev/bar/r535.c
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@ -168,12 +168,11 @@ r535_bar_new_(const struct nvkm_bar_func *hw, struct nvkm_device *device,
rm->flush = r535_bar_flush;
ret = gf100_bar_new_(rm, device, type, inst, &bar);
*pbar = bar;
if (ret) {
if (!bar)
kfree(rm);
kfree(rm);
return ret;
}
*pbar = bar;
bar->flushBAR2PhysMode = ioremap(device->func->resource_addr(device, 3), PAGE_SIZE);
if (!bar->flushBAR2PhysMode)