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| author | Eric Anholt <eric@anholt.net> | 2015-04-09 18:00:56 -0700 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2015-06-04 14:15:33 -0700 |
| commit | 7272bdd11c4887efda4ea291ad37f23bcb491a4a (patch) | |
| tree | 5ccad10f1db59a2f7f9b0d5e595787b106f0518f | |
| parent | b774b5bdd312250829d8cf2b0f0224368a059949 (diff) | |
| download | linux-7272bdd11c4887efda4ea291ad37f23bcb491a4a.tar.gz | |
drm/vc4: Fix off-by-one in branch target validation.
Signed-off-by: Eric Anholt <eric@anholt.net>
| -rw-r--r-- | drivers/gpu/drm/vc4/vc4_validate.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_validate.c b/drivers/gpu/drm/vc4/vc4_validate.c index 79657939dcf2..7c6925cd7929 100644 --- a/drivers/gpu/drm/vc4/vc4_validate.c +++ b/drivers/gpu/drm/vc4/vc4_validate.c @@ -287,7 +287,7 @@ validate_branch_to_sublist(VALIDATE_ARGS) offset = *(uint32_t *)(untrusted + 0); if (offset % exec->tile_alloc_init_block_size || - offset / exec->tile_alloc_init_block_size > + offset / exec->tile_alloc_init_block_size >= exec->bin_tiles_x * exec->bin_tiles_y) { DRM_ERROR("VC4_PACKET_BRANCH_TO_SUB_LIST must jump to initial " "tile allocation space.\n"); |