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usb: musb: honour the return value of dma_map_single()
authorSebastian Andrzej Siewior <bigeasy@linutronix.de>
Tue, 13 Aug 2013 17:35:43 +0000 (19:35 +0200)
committerFelipe Balbi <balbi@ti.com>
Tue, 27 Aug 2013 19:07:29 +0000 (14:07 -0500)
Since dma_map_single() may fail it is good to actually check the return
code to see if it succeeded.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>

No differences found
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