Commit 5c817e35 authored Sep 04, 2018 by Ramandeep Trehan Committed by Gerrit - the friendly Code Review server Sep 13, 2018

crypto: qcedev: Add null pointer check on sg_src



Add a null pointer check on sg_src to avoid a possible
null pointer dereference in qcedev driver.

Change-Id: I9d4f9147ae6c340064110381c98d064f29fd9444
Signed-off-by: Ramandeep Trehan <rtrehan@codeaurora.org>

parent 3faa5614

drivers/crypto/msm/qce50.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -2445,6 +2445,9 @@ static int _qce_sps_add_sg_data(struct qce_device *pce_dev,
		struct sps_iovec *iovec = sps_bam_pipe->iovec +
		sps_bam_pipe->iovec_count;

		if (!sg_src)
		return -ENOENT;

		while (nbytes > 0) {
		len = min(nbytes, sg_dma_len(sg_src));
		nbytes -= len;