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author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2019-08-11 23:24:46 -0700 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2019-08-11 23:24:46 -0700 |
commit | 4aa31b4b61e4985e719352c329c3948d1932cb64 (patch) | |
tree | 251d6d11d1e5c9c09adc3e0eb1715c56b2e16c95 /drivers/gpu/drm/msm/adreno/adreno_gpu.c | |
parent | Input: remove w90x900 touchscreen driver (diff) | |
parent | Linux 5.3-rc4 (diff) | |
download | linux-dev-4aa31b4b61e4985e719352c329c3948d1932cb64.tar.xz linux-dev-4aa31b4b61e4985e719352c329c3948d1932cb64.zip |
Merge tag 'v5.3-rc4' into next
Sync up with mainline to bring in device_property_count_u32 andother
newer APIs.
Diffstat (limited to 'drivers/gpu/drm/msm/adreno/adreno_gpu.c')
-rw-r--r-- | drivers/gpu/drm/msm/adreno/adreno_gpu.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c index a9c0ac937b00..048c8be426f3 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c @@ -56,7 +56,6 @@ static int zap_shader_load_mdt(struct msm_gpu *gpu, const char *fwname, return ret; mem_phys = r.start; - mem_size = resource_size(&r); /* Request the MDT file for the firmware */ fw = adreno_request_fw(to_adreno_gpu(gpu), fwname); @@ -72,6 +71,13 @@ static int zap_shader_load_mdt(struct msm_gpu *gpu, const char *fwname, goto out; } + if (mem_size > resource_size(&r)) { + DRM_DEV_ERROR(dev, + "memory region is too small to load the MDT\n"); + ret = -E2BIG; + goto out; + } + /* Allocate memory for the firmware image */ mem_region = memremap(mem_phys, mem_size, MEMREMAP_WC); if (!mem_region) { @@ -422,6 +428,7 @@ void adreno_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit, /* ignore if there has not been a ctx switch: */ if (priv->lastctx == ctx) break; + /* fall-thru */ case MSM_SUBMIT_CMD_BUF: OUT_PKT3(ring, adreno_is_a430(adreno_gpu) ? CP_INDIRECT_BUFFER_PFE : CP_INDIRECT_BUFFER_PFD, 2); |