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Commit e53fd03f authored by Vamsi Krishna Gattupalli's avatar Vamsi Krishna Gattupalli Committed by Gerrit - the friendly Code Review server
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msm: adsprpc: Use buf_get before ion apis 



Use dma_buf_get to hold refcount such that buf will not
be freed till end.

Change-Id: Idab01a9081f197b780e8204dc21224e27090424f
Signed-off-by: default avatarVamsi Krishna Gattupalli <quic_vgattupa@quicinc.com>
parent 746d1a59

drivers/char/adsprpc.c

+3 −3
Original line number Diff line number Diff line
@@ -917,6 +917,9 @@ static int fastrpc_mmap_create(struct fastrpc_file *fl, int fd, 
				(unsigned int)map->attr);

			map->refs = 2;

		}

		VERIFY(err, !IS_ERR_OR_NULL(map->buf = dma_buf_get(fd)));

		if (err)

			goto bail;

		VERIFY(err, !IS_ERR_OR_NULL(map->handle =

				ion_import_dma_buf_fd(fl->apps->client, fd)));

		if (err)
@@ -947,9 +950,6 @@ static int fastrpc_mmap_create(struct fastrpc_file *fl, int fd, 
		if (map->attr & FASTRPC_ATTR_NOVA && !sess->smmu.coherent)

			map->uncached = 1;



		VERIFY(err, !IS_ERR_OR_NULL(map->buf = dma_buf_get(fd)));

		if (err)

			goto bail;

		VERIFY(err, !IS_ERR_OR_NULL(map->attach =

				dma_buf_attach(map->buf, sess->smmu.dev)));

		if (err)