Arnd Bergmann 9dfbd73199 drm/nouveau: nouveau: use larger buffer in nvif_vmm_map ... gcc points out a buffer that is clearly too small to be used in a meaningful way, as the 'sizeof(*args) + argc > sizeof(stack)' will always fail: In function 'memcpy', inlined from 'nvif_vmm_map' at drivers/gpu/drm/nouveau/nvif/vmm.c:55:2: include/linux/string.h:353:9: error: '__builtin_memcpy' offset 40 is out of the bounds [0, 16] of object 'stack' with type 'u8[16]' {aka 'unsigned char[16]'} [-Werror=array-bounds] return __builtin_memcpy(p, q, size); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/nouveau/nvif/vmm.c: In function 'nvif_vmm_map': drivers/gpu/drm/nouveau/nvif/vmm.c:40:5: note: 'stack' declared here This makes the buffer large enough so it should serve the purpose that the author presumably had in mind. Alternatively we could just get rid of it completely and simplify the code at the cost of always doing the kmalloc (as we do in the current version). Fixes: 920d2b5ef2 ("drm/nouveau/mmu: define user interfaces to mmu vmm opertaions") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>		2018-05-18 15:01:19 +10:00
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drm	drm/nouveau: nouveau: use larger buffer in nvif_vmm_map	2018-05-18 15:01:19 +10:00
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