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gpu: nvgpu: FE object table has 4 elements

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Restrict reading of FE object table to the number of entries
available.

Change-Id: I11275ecd14e53f0b763d00d65042adb4b1e8ae6f
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/449306
This commit is contained in:
Terje Bergstrom
2014-07-31 14:33:32 +03:00
committed by Dan Willemsen
parent 4a63e80a26
commit 43758d93b7
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/nvgpu/gk20a/gr_gk20a.c
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@@ -5550,8 +5550,8 @@ int gk20a_gr_isr(struct gk20a *g)
isr_data.curr_ctx = gk20a_readl(g, gr_fecs_current_ctx_r());
isr_data.offset = gr_trapped_addr_mthd_v(isr_data.addr);
isr_data.sub_chan = gr_trapped_addr_subch_v(isr_data.addr);
obj_table = gk20a_readl(g,
gr_fe_object_table_r(isr_data.sub_chan));
obj_table = (isr_data.sub_chan < 4) ? gk20a_readl(g,
gr_fe_object_table_r(isr_data.sub_chan)) : 0;
isr_data.class_num = gr_fe_object_table_nvclass_v(obj_table);
isr_data.chid =