nfsd4: idmap upcalls should use unsigned uid and gid
We shouldn't be using negative uid's and gid's in the idmap upcalls.
Signed-off-by: "J. Bruce Fields" <bfields@citi.umich.edu>
Cc: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/nfsd/nfs4idmap.c b/fs/nfsd/nfs4idmap.c
index 2cf9a9a..2ccffde 100644
--- a/fs/nfsd/nfs4idmap.c
+++ b/fs/nfsd/nfs4idmap.c
@@ -138,7 +138,7 @@
char idstr[11];
qword_add(bpp, blen, ent->authname);
- snprintf(idstr, sizeof(idstr), "%d", ent->id);
+ snprintf(idstr, sizeof(idstr), "%u", ent->id);
qword_add(bpp, blen, ent->type == IDMAP_TYPE_GROUP ? "group" : "user");
qword_add(bpp, blen, idstr);
@@ -165,7 +165,7 @@
return 0;
}
ent = container_of(h, struct ent, h);
- seq_printf(m, "%s %s %d", ent->authname,
+ seq_printf(m, "%s %s %u", ent->authname,
ent->type == IDMAP_TYPE_GROUP ? "group" : "user",
ent->id);
if (test_bit(CACHE_VALID, &h->flags))
@@ -349,7 +349,7 @@
ent->type == IDMAP_TYPE_GROUP ? "group" : "user",
ent->name);
if (test_bit(CACHE_VALID, &h->flags))
- seq_printf(m, " %d", ent->id);
+ seq_printf(m, " %u", ent->id);
seq_printf(m, "\n");
return 0;
}