[PATCH v2] dmaengine: shdma: fix a build failure on platforms with no DMA support
From: arnd@arndb.de (Arnd Bergmann)
Date: 2013-05-31 15:04:17
Also in:
linux-mmc, linux-sh
On Friday 31 May 2013 10:00:29 Dan Murphy wrote:
My consideration was that since this is an exported symbol that a driver could call this API explicitly without checking for the function pointer first, there is a potential of calling a NULL pointer.
Drivers never call a filter function directly, so that is not an issue. Even if a driver would try it, that would not actually compile. Arnd