Messages in this thread | | | Date | Fri, 15 Mar 2019 07:53:27 +0100 | From | Michal Hocko <> | Subject | Re: [PATCH 2/2] elf: print userspace address with %lx |
| |
On Thu 14-03-19 23:45:48, Alexey Dobriyan wrote: > Use %lx, save a cast. > > "addr" is userspace address so using (and mangling) pointer was never > necessary.
There shouldn't be any mangling AFAIU. Documentation for pointer() says
* - 'x' For printing the address. Equivalent to "%lx".
> > Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> > --- > > fs/binfmt_elf.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > --- a/fs/binfmt_elf.c > +++ b/fs/binfmt_elf.c > @@ -376,8 +376,8 @@ static unsigned long elf_map(struct file *filep, unsigned long addr, > map_addr = vm_mmap(filep, addr, size, prot, type, off); > > if ((type & MAP_FIXED_NOREPLACE) && map_addr == -EEXIST) > - pr_info("%d (%s): Uhuuh, elf segment at %px requested but the memory is mapped already\n", > - task_pid_nr(current), current->comm, (void *)addr); > + pr_info("%d (%s): Uhuuh, elf segment at %lx requested but the memory is mapped already\n", > + task_pid_nr(current), current->comm, addr); > > return(map_addr); > }
-- Michal Hocko SUSE Labs
| |