nouveau: fix nouveau_heap_destroy() memory leak
What does this MR do and why?
nouveau: fix nouveau_heap_destroy() memory leak
Indeed, this function was not processing the linked allocated list.
For instance, this issue is triggered with "piglit/bin/hiz-depth-read-fbo-d24-s0 -auto":
Indirect leak of 40 byte(s) in 1 object(s) allocated from:
#0 0x7f6795638987 in calloc (/usr/lib64/libasan.so.6+0xb1987)
#1 0x7f678bac13b9 in nouveau_heap_alloc ../src/gallium/drivers/nouveau/nouveau_heap.c:64
#2 0x7f678bb6c7e4 in nv50_program_upload_code ../src/gallium/drivers/nouveau/nv50/nv50_program.c:490
#3 0x7f678bb83b92 in nv50_vertprog_validate ../src/gallium/drivers/nouveau/nv50/nv50_shader_state.c:161
#4 0x7f678bba3000 in nv50_state_validate ../src/gallium/drivers/nouveau/nv50/nv50_state_validate.c:552
#5 0x7f678bba3c4d in nv50_state_validate_3d ../src/gallium/drivers/nouveau/nv50/nv50_state_validate.c:575
#6 0x7f678b9e3e92 in nv50_blit_3d ../src/gallium/drivers/nouveau/nv50/nv50_surface.c:1444
#7 0x7f678b9e3e92 in nv50_blit ../src/gallium/drivers/nouveau/nv50/nv50_surface.c:1832
#8 0x7f678a0b378a in blit_to_staging ../src/mesa/state_tracker/st_cb_readpixels.c:337
#9 0x7f678a0b7358 in st_ReadPixels ../src/mesa/state_tracker/st_cb_readpixels.c:516
#10 0x7f6789f82005 in read_pixels ../src/mesa/main/readpix.c:1178
#11 0x7f6789f82005 in _mesa_ReadnPixelsARB ../src/mesa/main/readpix.c:1195
#12 0x7f6789f82ac0 in _mesa_ReadPixels ../src/mesa/main/readpix.c:1210
...
SUMMARY: AddressSanitizer: 80 byte(s) leaked in 2 allocation(s).
Fixes: 67635a0a ("nouveau: get rid of tabs")
Signed-off-by: Patrick Lerda patrick9876@free.fr