On Fri, Aug 16, 2019 at 12:21:48AM +0800, kbuild test robot wrote: > Hi Arnd, > > First bad commit (maybe != root cause): > > tree: https://kernel.googlesource.com/pub/scm/linux/kernel/git/gregkh/tty.git tty-testing > head: 92770c07234fb9e097ceb512e4bb29aca750075c > commit: 5dce8eccb54355ea42918b651f1085e54b2c5f2f [84/90] serial: lpc32xx_hs: allow compile-testing > reproduce: > # apt-get install sparse > # sparse version: v0.6.1-rc1-7-g2b96cd8-dirty > git checkout 5dce8eccb54355ea42918b651f1085e54b2c5f2f > make ARCH=x86_64 allmodconfig > make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' > > If you fix the issue, kindly add following tag > Reported-by: kbuild test robot <lkp@xxxxxxxxx> Given that there are at least 3 issues with this patch, I'll go drop it from my tty-testing branch now :( thanks, greg k-h