On Thu, Mar 10, 2022 at 05:43:03PM +0800, Jiasheng Jiang wrote: > As the potential failure of the kmem_zalloc() without __GFP_NOFAIL, > it should be better to check it in order to avoid the dereference > of NULL pointer. kmem_zalloc() won't ever fail unless it is passed KM_MAYFAIL. i.e. it has __GFP_NOFAIL behaviour when no flags are passed to it, as the code in xfs_rui_init() does. Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx
