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drm/tegra: Zero-initialize iosys_map

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[ Upstream commit 3868ff006b572cf501a3327832d36c64a9eca86a ]

UBSAN reports an invalid load for bool, as the iosys_map is read
later without being initialized. Zero-initialize it to avoid this.

Reported-by: Ashish Mhetre <amhetre@nvidia.com>
Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230901115910.701518-2-cyndis@kapsi.fi
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Mikko Perttunen
2023-09-01 14:59:10 +03:00
committed by Greg Kroah-Hartman
parent 5347703297
commit 26c8f24277
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/tegra/gem.c
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@@ -175,7 +175,7 @@ static void tegra_bo_unpin(struct host1x_bo_mapping *map)
static void *tegra_bo_mmap(struct host1x_bo *bo)
{
struct tegra_bo *obj = host1x_to_tegra_bo(bo);
struct iosys_map map;
struct iosys_map map = { 0 };
int ret;
if (obj->vaddr) {