On Wed, 2013-02-20 at 11:30 -0800, Randy Dunlap wrote:
> On 02/20/13 08:50, Mimi Zohar wrote:
> > On Tue, 2013-02-19 at 16:28 -0800, Randy Dunlap wrote:
> >> On 02/18/13 22:03, Stephen Rothwell wrote:
> >>> Hi all,
> >>>
> >>> Changes since 20130218:
> >>>
> >>
> >> on x86_64:
> >>
> >>   CC      security/integrity/ima/ima_policy.o
> >> security/integrity/ima/ima_policy.c: In function 'ima_parse_rule':
> >> security/integrity/ima/ima_policy.c:538:4: error: implicit declaration of 
> >> function 'part_pack_uuid' [-Werror=implicit-function-declaration]
> >> cc1: some warnings being treated as errors
> >> make[4]: *** [security/integrity/ima/ima_policy.o] Error 1
> >>
> >>
> >> Full randconfig file is attached.
> > 
> > part_pack_uuid() is only defined for CONFIG_BLOCK in
> > include/linux/genhd.h.  One solution would be to add a stub function
> > definition in include/linux/genhd.h, the other option would be to ifndef
> > CONFIG_BLOCK in C code.
> 
> ITYM #ifdef CONFIG_BLOCK to call part_pack_uuid().
> Yes, either of those would work.
> How about a third option -- just make part_pack_uuid() always visible
> and not just a stub?  Patch is below.

That works too.

Acked-by: Mimi Zohar <[email protected]>

thanks,

Mimi

> ---
> From: Randy Dunlap <[email protected]>
> 
> Fix build error when CONFIG_BLOCK is not enabled
> by making the static inline function part_pack_uuid()
> visible independent of CONFIG_BLOCK's setting.
> 
> security/integrity/ima/ima_policy.c:538:4: error: implicit declaration of 
> function 'part_pack_uuid' [-Werror=implicit-function-declaration]
> 
> Signed-off-by: Randy Dunlap <[email protected]>
> Cc: Mimi Zohar <[email protected]>
> ---
>  include/linux/genhd.h |   36 ++++++++++++++++++------------------
>  1 file changed, 18 insertions(+), 18 deletions(-)
> 
> --- linux-next-20130220.orig/include/linux/genhd.h
> +++ linux-next-20130220/include/linux/genhd.h
> @@ -213,24 +213,6 @@ static inline struct gendisk *part_to_di
>       return NULL;
>  }
> 
> -static inline void part_pack_uuid(const u8 *uuid_str, u8 *to)
> -{
> -     int i;
> -     for (i = 0; i < 16; ++i) {
> -             *to++ = (hex_to_bin(*uuid_str) << 4) |
> -                     (hex_to_bin(*(uuid_str + 1)));
> -             uuid_str += 2;
> -             switch (i) {
> -             case 3:
> -             case 5:
> -             case 7:
> -             case 9:
> -                     uuid_str++;
> -                     continue;
> -             }
> -     }
> -}
> -
>  static inline int disk_max_parts(struct gendisk *disk)
>  {
>       if (disk->flags & GENHD_FL_EXT_DEVT)
> @@ -720,4 +702,22 @@ static inline dev_t blk_lookup_devt(cons
> 
>  #endif /* CONFIG_BLOCK */
> 
> +static inline void part_pack_uuid(const u8 *uuid_str, u8 *to)
> +{
> +     int i;
> +     for (i = 0; i < 16; ++i) {
> +             *to++ = (hex_to_bin(*uuid_str) << 4) |
> +                     (hex_to_bin(*(uuid_str + 1)));
> +             uuid_str += 2;
> +             switch (i) {
> +             case 3:
> +             case 5:
> +             case 7:
> +             case 9:
> +                     uuid_str++;
> +                     continue;
> +             }
> +     }
> +}
> +
>  #endif /* _LINUX_GENHD_H */
> 



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