On Fri, 2012-09-07 at 12:20 -0400, Alan Stern wrote: > On Fri, 7 Sep 2012, Shuah Khan wrote: > > > I analyzed all calls to dma_map_single() and dma_map_page() in the > > kernel, to see if callers check for mapping errors, before using the > > returned address. > > > > The goal of this analysis is to find drivers that currently do not > > check dma mapping errors, and fix them. > > > > I documented the results of this analysis: > > > > http://linuxdriverproject.org/mediawiki/index.php/DMA_Mapping_Error_Analysis > > > > Please review and give me feedback on the analysis and the proposed > > next steps. > > Your first table (dma_map_single) lists drivers/usb/core/usb.c and > marks it as Bad. This is a mistake because the code is #ifdef'ed out. > It hasn't been used in many years; it should be removed. Thanks for catching it. I did note that in my research notes and that was left out by mistake when I put the table together. Table is updated now with your comment and marked it a Cleanup item. -- Shuah _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
