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Merge "soc: qcom: mem-buf: Treat zero-sized sg-lists as invalid inputs"

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This commit is contained in:
qctecmdr 2020-06-17 02:00:28 -07:00 • committed by Gerrit - the friendly Code Review server
commit 58bcf322e6
1 changed files with 2 additions and 2 deletions
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4
drivers/soc/qcom/mem-buf.c
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@ -992,7 +992,7 @@ static int mem_buf_map_mem_s1(struct hh_sgl_desc *sgl_desc)
u64 base, size;
struct mhp_restrictions restrictions = {};
if (!sgl_desc)
if (!sgl_desc || !sgl_desc->n_sgl_entries)
return -EINVAL;
pr_debug("%s: Creating CPU MMU stage 1 mappings\n", __func__);
@ -1048,7 +1048,7 @@ static int mem_buf_unmap_mem_s1(struct hh_sgl_desc *sgl_desc)
unsigned int i, nid;
u64 base, size;
if (!sgl_desc)
if (!sgl_desc || !sgl_desc->n_sgl_entries)
return -EINVAL;
pr_debug("%s: Removing CPU MMU stage 1 mappings\n", __func__);