i2c-msm-v2: Add NULL pointer check



Add NULL pointer check for client passed pointer to
make sure there are no crashes in the i2c driver if
the client driver passes the NULL pointer.

Change-Id: I412e2b515404537713ed3f5e64aaf67d3f4b56cf
Signed-off-by: Sandya Chikka <sandyachikka@codeaurora.org>

parent 48a4b550

drivers/i2c/busses/i2c-msm-v2.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -2276,6 +2276,11 @@ i2c_msm_frmwrk_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int num)
		struct i2c_msm_ctrl *ctrl = i2c_get_adapdata(adap);
		struct i2c_msm_xfer *xfer = &ctrl->xfer;

		if (IS_ERR_OR_NULL(msgs)) {
		dev_err(ctrl->dev, " error on msgs Accessing invalid pointer location\n");
		return PTR_ERR(msgs);
		}

		ret = i2c_msm_pm_xfer_start(ctrl);
		if (ret)
		return ret;