S390/sysinfo: use uuid_is_null instead of opencoding it

And switch to use uuid_t instead of the old uuid_be type.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
This commit is contained in:
Christoph Hellwig 2017-05-11 14:00:57 +02:00
parent ef40dda5bb
commit e64e17a554
2 changed files with 3 additions and 3 deletions

View File

@ -109,7 +109,7 @@ struct sysinfo_2_2_2 {
unsigned short cpus_shared;
char reserved_4[3];
unsigned char vsne;
uuid_be uuid;
uuid_t uuid;
char reserved_5[160];
char ext_name[256];
};
@ -134,7 +134,7 @@ struct sysinfo_3_2_2 {
char reserved_1[3];
unsigned char evmne;
unsigned int reserved_2;
uuid_be uuid;
uuid_t uuid;
} vm[8];
char reserved_3[1504];
char ext_names[8][256];

View File

@ -242,7 +242,7 @@ static void print_ext_name(struct seq_file *m, int lvl,
static void print_uuid(struct seq_file *m, int i, struct sysinfo_3_2_2 *info)
{
if (!memcmp(&info->vm[i].uuid, &NULL_UUID_BE, sizeof(uuid_be)))
if (uuid_is_null(&info->vm[i].uuid))
return;
seq_printf(m, "VM%02d UUID: %pUb\n", i, &info->vm[i].uuid);
}