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Commit 4625e145 authored by daopingl's avatar daopingl Committed by Gerrit - the friendly Code Review server
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msm: camera: smmu: add null check for memory slot function 



add null check for camera memory slot function.

CRs-Fixed: 2674888
Change-Id: I171d479919f0375028f55689148a1b097312c329
Signed-off-by: default avatardaopingl <cdaopin@codeaurora.org>
parent 60d46e2e

drivers/cam_req_mgr/cam_mem_mgr.c

+12 −8
Original line number Diff line number Diff line
@@ -177,6 +177,7 @@ static int32_t cam_mem_get_slot(void) 
	int32_t idx;



	mutex_lock(&tbl.m_lock);

	if (tbl.bitmap) {

		idx = find_first_zero_bit(tbl.bitmap, tbl.bits);

		if (idx >= CAM_MEM_BUFQ_MAX || idx <= 0) {

			mutex_unlock(&tbl.m_lock);
@@ -187,10 +188,13 @@ static int32_t cam_mem_get_slot(void) 
		tbl.bufq[idx].active = true;

		mutex_init(&tbl.bufq[idx].q_lock);

		mutex_unlock(&tbl.m_lock);



		return idx;

	}



	mutex_unlock(&tbl.m_lock);

	return -EINVAL;

}



static void cam_mem_put_slot(int32_t idx)

{

	mutex_lock(&tbl.m_lock);