soc: qcom: spcom: validate rx_buf in spcom_rx before usage



Checking for rx_buf validity before performing copy operation.

Change-Id: I4651a8cc822fd1537bd92f01bf59ac3b5a500b3a
Signed-off-by: Ofir Cohen <ofirc@codeaurora.org>

parent 7f0d77b3

drivers/soc/qcom/spcom.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -898,12 +898,12 @@ static int spcom_rx(struct spcom_channel *ch,
		goto exit_err;
		}

		copy_buf:
		if (!ch->glink_rx_buf) {
		pr_err("invalid glink_rx_buf.\n");
		goto exit_err;
		}

		copy_buf:
		/* Copy from glink buffer to spcom buffer */
		size = min_t(int, ch->actual_rx_size, size);
		memcpy(buf, ch->glink_rx_buf, size);