Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 53d312da authored by Isaac J. Manjarres's avatar Isaac J. Manjarres
Browse files

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



When unmapping memory in S1, treat zero-sized sg-lists as invalid
inputs.

Change-Id: I477cd0808eea1200873c50470c8b73d9162428e4
Signed-off-by: default avatarIsaac J. Manjarres <isaacm@codeaurora.org>
parent bbc7f2d3

drivers/soc/qcom/mem-buf.c

+2 −2
Original line number Diff line number Diff line
@@ -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__);