On 2015-05-06 03:09 PM, Greg KH wrote: > On Wed, May 06, 2015 at 10:05:55AM -0400, nick wrote: >> On 2015-05-06 05:10 AM, Ian Abbott wrote: >>> On 06/05/15 01:22, nick wrote: >>>> Greetings All, >>>> I am wondering if in the function,ni_stc_dma_channel_select_bitfield the line: >>>> return 1 << channel; >>>> is guaranteed to be below the threshold that guarantees us to not overflow on >>>> a unsigned 32 integer due to bit wise shifting to the left. >>>> Thanks Nick >>>> >>> >>> if (channel < 4) >>> return 1 << channel; >>> >>> So, yes. >>> >> This should be commented in my option as this is not common knowledge >> unless you known the hardware specs really well. If I should send in >> a patch adding a comment here please let me known. > > Nick, this is one reason why you were banned from all vger.kernel.org > mailing lists. You are wasting people's time and refuse to listen to > others. > > I do give you credit for coming up with very strange questions that show > a complete lack of understanding of the C language, that is intertaining > at times, like this response, nice job with that. > > Please everyone, just add him to your killfile and ignore him, it makes > life much easier these days when he tries to go around the vger ban by > emailing developers directly as he did here. > > greg k-h > Greg Kh, Sorry about that :(, your absolutely right I need to listen more to the community. After thinking about it your right that was a terrible question in nature and I should have assumed based off the code that my assumptions were right. Nick _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel