NFSD: Adds macro EX_UUID_LEN for exports uuid's length
Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c
index 8771f41..90d37b6 100644
--- a/fs/nfsd/export.c
+++ b/fs/nfsd/export.c
@@ -487,10 +487,10 @@
/* expect a 16 byte uuid encoded as \xXXXX... */
len = qword_get(mesg, buf, PAGE_SIZE);
- if (len != 16)
+ if (len != EX_UUID_LEN)
return -EINVAL;
- *puuid = kmemdup(buf, 16, GFP_KERNEL);
+ *puuid = kmemdup(buf, EX_UUID_LEN, GFP_KERNEL);
if (*puuid == NULL)
return -ENOMEM;
@@ -663,7 +663,7 @@
if (exp->ex_uuid) {
int i;
seq_puts(m, ",uuid=");
- for (i=0; i<16; i++) {
+ for (i = 0; i < EX_UUID_LEN; i++) {
if ((i&3) == 0 && i)
seq_putc(m, ':');
seq_printf(m, "%02x", exp->ex_uuid[i]);
diff --git a/fs/nfsd/export.h b/fs/nfsd/export.h
index d7939a6..c7d4ed0 100644
--- a/fs/nfsd/export.h
+++ b/fs/nfsd/export.h
@@ -37,6 +37,7 @@
* spkm3i, and spkm3p (and using all 8 at once should be rare).
*/
#define MAX_SECINFO_LIST 8
+#define EX_UUID_LEN 16
struct exp_flavor_info {
u32 pseudoflavor;
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index 470fe89..70d1472 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -2223,7 +2223,8 @@
*p++ = cpu_to_be32(MINOR(stat.dev));
break;
case FSIDSOURCE_UUID:
- p = xdr_encode_opaque_fixed(p, exp->ex_uuid, 16);
+ p = xdr_encode_opaque_fixed(p, exp->ex_uuid,
+ EX_UUID_LEN);
break;
}
}