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msm: kgsl: Skip some gmu global memory dump to snapshot

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Gmu global such as ipc core memdesc is not mapped to host.
Skip these kind of gmu global memdesc dumping to snapshot
to avoid null pointer dereference.

Change-Id: Idba9168e854430253624629ed45826015773148f
Signed-off-by: Hareesh Gundu <quic_hareeshg@quicinc.com>
This commit is contained in:
Hareesh Gundu 2021-12-29 12:20:00 +05:30 committed by Lynus Vaz
parent bf55be9e52
commit 60a637c337
2 changed files with 4 additions and 1 deletions
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2
adreno_a6xx_gmu_snapshot.c
View File

@ -156,7 +156,7 @@ static size_t a6xx_snapshot_gmu_mem(struct kgsl_device *device,
(buf + sizeof(*mem_hdr));
struct gmu_mem_type_desc *desc = priv;
if (priv == NULL)
if (priv == NULL || desc->memdesc->hostptr == NULL)
return 0;
if (remain < desc->memdesc->size + sizeof(*mem_hdr)) {

3
adreno_gen7_gmu_snapshot.c
View File

@ -87,6 +87,9 @@ static size_t gen7_snapshot_gmu_mem(struct kgsl_device *device,
(buf + sizeof(*mem_hdr));
struct gmu_mem_type_desc *desc = priv;
if (priv == NULL || desc->memdesc->hostptr == NULL)
return 0;
if (remain < desc->memdesc->size + sizeof(*mem_hdr)) {
dev_err(device->dev,
"snapshot: Not enough memory for the gmu section %d\n",