On Thu, Mar 22, 2018 at 02:40:32PM +0800, Liuyixian (Eason) wrote: > > > On 2018/3/20 17:39, Dan Carpenter wrote: > > On Tue, Mar 20, 2018 at 09:00:31AM +0800, Liuyixian (Eason) wrote: > >> Hi Dan, > >> > >> Could you tell me which checker tools have you used for checking out this warning? > >> > > > > This is a Smatch warning. > > > > regards, > > dan carpenter > > > > Hi Dan, > > Thanks for your response! > Actually, I have used smatch for some time. It seems that it can check > only one folder with my current configuration: > > make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- \ > CHECK="/home/liuyixian/smatch/smatch -p=kernel" \ > C=1 drivers/infiniband/hw/hns/ | tee warns.txt > > Obviously, the other folder include/uapi/rdma/ also needs to be added. > I don't know how to config it to check out the above mentioned warning. > Yesterday I have searched on google, but there isn't enough material. Ah... Your smatch_data/kernel.rosenberg_funcs funcs file is out of date. I should push my version of that. There is a way to rebuild that by using running the `smatch_scripts/build_kernel_data.sh` script but it takes forever and it's not set up for cross compile... regards, dan carpenter -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html