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dma: at_hdmac: fix invalid remaining bytes detection
authorAlexandre Belloni <alexandre.belloni@free-electrons.com>
Fri, 1 Aug 2014 16:51:46 +0000 (18:51 +0200)
committerVinod Koul <vinod.koul@intel.com>
Thu, 7 Aug 2014 16:22:27 +0000 (21:52 +0530)
Found using smatch:
drivers/dma/at_hdmac.c:299 atc_get_bytes_left() warn: unsigned
'atchan->remain_desc' is never less than zero.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

No differences found
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