Ccing kexec maillist.
On 09/16/15 at 06:39pm, Minfei Huang wrote:
> On 09/16/15 at 10:58am, yanjiang.jin at windriver.com wrote:
> > From: Yanjiang Jin <yanjiang.jin at windriver.com>
> >
> > Function parse_crash_elf_headers() reads e_ident[EI_CLASS] then decides to
> > call parse_crash_elf64_headers() or parse_crash_elf32_headers().
> > But this happens in run time, not compile time. So compiler will report
> > the below warning:
> >
> > In file included from include/linux/elf.h:4:0,
> > from fs/proc/vmcore.c:13:
> > fs/proc/vmcore.c: In function 'parse_crash_elf32_headers':
> > arch/mips/include/asm/elf.h:258:23: warning: initializatio
> > n from incompatible pointer type
> > struct elfhdr *__h = (hdr); \
> > ^
>
> How about converting the hdr to type elfhdr in above sentence, like
> following.
>
> struct elfhdr *__h = (struct elfhdr *)(hdr);
>
> Thanks
> Minfei
>
> > fs/proc/vmcore.c:1071:4: note: in expansion of macro 'elf_
> > check_arch'
> > !elf_check_arch(&ehdr) ||
> > ^
> >
> > Signed-off-by: Yanjiang Jin <yanjiang.jin at windriver.com>
> > ---
> > fs/proc/vmcore.c | 4 ++--
> > 1 file changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/fs/proc/vmcore.c b/fs/proc/vmcore.c
> > index 4e61388..576bb26 100644
> > --- a/fs/proc/vmcore.c
> > +++ b/fs/proc/vmcore.c
> > @@ -999,7 +999,7 @@ static void free_elfcorebuf(void)
> > static int __init parse_crash_elf64_headers(void)
> > {
> > int rc=0;
> > - Elf64_Ehdr ehdr;
> > + struct elfhdr ehdr;
> > u64 addr;
> >
> > addr = elfcorehdr_addr;
> > @@ -1055,7 +1055,7 @@ fail:
> > static int __init parse_crash_elf32_headers(void)
> > {
> > int rc=0;
> > - Elf32_Ehdr ehdr;
> > + struct elfhdr ehdr;
> > u64 addr;
> >
> > addr = elfcorehdr_addr;
