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drm/tegra: Zero-initialize iosys_map

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[ Upstream commit 3868ff006b ]

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 5ee7df8143
commit abbba0768c
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/tegra/gem.c
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@ -177,7 +177,7 @@ static void tegra_bo_unpin(struct host1x_bo_mapping *map)
static void *tegra_bo_mmap(struct host1x_bo *bo) static void *tegra_bo_mmap(struct host1x_bo *bo)
{ {
struct tegra_bo *obj = host1x_to_tegra_bo(bo); struct tegra_bo *obj = host1x_to_tegra_bo(bo);
struct iosys_map map; struct iosys_map map = { 0 };
int ret; int ret;
if (obj->vaddr) { if (obj->vaddr) {