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Merge "msm: ipa3: Fix to save sgt table info in proper context"

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qctecmdr 2020-08-27 16:58:38 -07:00 committed by Gerrit - the friendly Code Review server
commit f156a1c0aa
1 changed files with 8 additions and 2 deletions
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10
drivers/platform/msm/ipa/ipa_api.c
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@ -365,6 +365,8 @@ int ipa_smmu_store_sgt(struct sg_table **out_ch_ptr,
struct sg_table *in_sgt_ptr)
{
unsigned int nents;
int i;
struct scatterlist *in_sg, *out_sg;
if (in_sgt_ptr != NULL) {
*out_ch_ptr = kzalloc(sizeof(struct sg_table), GFP_KERNEL);
@ -382,8 +384,12 @@ int ipa_smmu_store_sgt(struct sg_table **out_ch_ptr,
return -ENOMEM;
}
memcpy((*out_ch_ptr)->sgl, in_sgt_ptr->sgl,
nents*sizeof(struct scatterlist));
out_sg = (*out_ch_ptr)->sgl;
for_each_sg(in_sgt_ptr->sgl, in_sg, in_sgt_ptr->nents, i) {
memcpy(out_sg, in_sg, sizeof(struct scatterlist));
out_sg++;
}
(*out_ch_ptr)->nents = nents;
(*out_ch_ptr)->orig_nents = in_sgt_ptr->orig_nents;
}