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Revert "gpu: nvgpu: allow all sizes in access fb API"

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This reverts commit b79c350d68.

Underlying PRAMIN infrastructure enforces 4 byte aligned size only,
so the API should enforce that too

Bug 2285052

Change-Id: I2b4a209edd479d72992708b35e1d52940ff20637
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1795653
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Deepak Nibade
2018-08-09 00:21:16 -07:00
committed by mobile promotions
parent c989f31593
commit 7ce03327a1
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/nvgpu/os/linux/ioctl_dbg.c
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@@ -1568,7 +1568,7 @@ static int nvgpu_dbg_gpu_ioctl_access_fb_memory(struct dbg_session_gk20a *dbg_s,
u64 access_limit_size = SZ_4K;
int err = 0;
if ((args->offset & 3) || (!args->size))
if ((args->offset & 3) || (!args->size) || (args->size & 3))
return -EINVAL;
dmabuf = dma_buf_get(args->dmabuf_fd);