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dmaengine: xgene-dma: fix handling xgene_dma_get_ring_size result
authorAndrzej Hajda <a.hajda@samsung.com>
Thu, 24 Sep 2015 14:00:17 +0000 (16:00 +0200)
committerVinod Koul <vinod.koul@intel.com>
Fri, 25 Sep 2015 02:08:10 +0000 (07:38 +0530)
commitc1492b4c541e3a382b60f1b5879cd3c4d246ad31
treecf0d3d16eb291bc599b336e9dd47b717dd540f16tree | snapshot
parentaebf5a67db8dbacbc624b9c652b81f5460b15effcommit | diff
dmaengine: xgene-dma: fix handling xgene_dma_get_ring_size result

The function can return negative value.

The problem has been detected using proposed semantic patch
scripts/coccinelle/tests/assign_signed_to_unsigned.cocci [1].

[1]: http://permalink.gmane.org/gmane.linux.kernel/2046107

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
drivers/dma/xgene-dma.c diff | blob | history
Freescale DCU DRM driver