msm: camera: sensor: Add null check for read buffer



Add proper null checks for function arguments,
including read buffer, before dereferencing them.

CRs-Fixed: 2581538
Change-Id: I8c49bbc419e2ac5579341c7dc789da0ed1c4d123
Signed-off-by: Shravan Nevatia <snevatia@codeaurora.org>

parent 911c7152

drivers/cam_sensor_module/cam_sensor_utils/cam_sensor_util.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -241,6 +241,12 @@ static int32_t cam_sensor_get_io_buffer(
		size_t buf_size = 0;
		int32_t rc = 0;

		if (io_cfg == NULL \|\| i2c_settings == NULL) {
		CAM_ERR(CAM_SENSOR,
		"Invalid args, io buf or i2c settings is NULL");
		return -EINVAL;
		}

		if (io_cfg->direction == CAM_BUF_OUTPUT) {
		rc = cam_mem_get_cpu_buf(io_cfg->mem_handle[0],
		&buf_addr, &buf_size);