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-rw-r--r--kernel/ucount.c34
1 files changed, 15 insertions, 19 deletions
diff --git a/kernel/ucount.c b/kernel/ucount.c
index 06ea04d44685..ee8e57fd6f90 100644
--- a/kernel/ucount.c
+++ b/kernel/ucount.c
@@ -87,10 +87,6 @@ static struct ctl_table user_table[] = {
UCOUNT_ENTRY("max_fanotify_groups"),
UCOUNT_ENTRY("max_fanotify_marks"),
#endif
- { },
- { },
- { },
- { },
{ }
};
#endif /* CONFIG_SYSCTL */
@@ -263,29 +259,29 @@ void dec_ucount(struct ucounts *ucounts, enum ucount_type type)
put_ucounts(ucounts);
}
-long inc_rlimit_ucounts(struct ucounts *ucounts, enum ucount_type type, long v)
+long inc_rlimit_ucounts(struct ucounts *ucounts, enum rlimit_type type, long v)
{
struct ucounts *iter;
long max = LONG_MAX;
long ret = 0;
for (iter = ucounts; iter; iter = iter->ns->ucounts) {
- long new = atomic_long_add_return(v, &iter->ucount[type]);
+ long new = atomic_long_add_return(v, &iter->rlimit[type]);
if (new < 0 || new > max)
ret = LONG_MAX;
else if (iter == ucounts)
ret = new;
- max = READ_ONCE(iter->ns->ucount_max[type]);
+ max = get_userns_rlimit_max(iter->ns, type);
}
return ret;
}
-bool dec_rlimit_ucounts(struct ucounts *ucounts, enum ucount_type type, long v)
+bool dec_rlimit_ucounts(struct ucounts *ucounts, enum rlimit_type type, long v)
{
struct ucounts *iter;
long new = -1; /* Silence compiler warning */
for (iter = ucounts; iter; iter = iter->ns->ucounts) {
- long dec = atomic_long_sub_return(v, &iter->ucount[type]);
+ long dec = atomic_long_sub_return(v, &iter->rlimit[type]);
WARN_ON_ONCE(dec < 0);
if (iter == ucounts)
new = dec;
@@ -294,11 +290,11 @@ bool dec_rlimit_ucounts(struct ucounts *ucounts, enum ucount_type type, long v)
}
static void do_dec_rlimit_put_ucounts(struct ucounts *ucounts,
- struct ucounts *last, enum ucount_type type)
+ struct ucounts *last, enum rlimit_type type)
{
struct ucounts *iter, *next;
for (iter = ucounts; iter != last; iter = next) {
- long dec = atomic_long_sub_return(1, &iter->ucount[type]);
+ long dec = atomic_long_sub_return(1, &iter->rlimit[type]);
WARN_ON_ONCE(dec < 0);
next = iter->ns->ucounts;
if (dec == 0)
@@ -306,12 +302,12 @@ static void do_dec_rlimit_put_ucounts(struct ucounts *ucounts,
}
}
-void dec_rlimit_put_ucounts(struct ucounts *ucounts, enum ucount_type type)
+void dec_rlimit_put_ucounts(struct ucounts *ucounts, enum rlimit_type type)
{
do_dec_rlimit_put_ucounts(ucounts, NULL, type);
}
-long inc_rlimit_get_ucounts(struct ucounts *ucounts, enum ucount_type type)
+long inc_rlimit_get_ucounts(struct ucounts *ucounts, enum rlimit_type type)
{
/* Caller must hold a reference to ucounts */
struct ucounts *iter;
@@ -319,12 +315,12 @@ long inc_rlimit_get_ucounts(struct ucounts *ucounts, enum ucount_type type)
long dec, ret = 0;
for (iter = ucounts; iter; iter = iter->ns->ucounts) {
- long new = atomic_long_add_return(1, &iter->ucount[type]);
+ long new = atomic_long_add_return(1, &iter->rlimit[type]);
if (new < 0 || new > max)
goto unwind;
if (iter == ucounts)
ret = new;
- max = READ_ONCE(iter->ns->ucount_max[type]);
+ max = get_userns_rlimit_max(iter->ns, type);
/*
* Grab an extra ucount reference for the caller when
* the rlimit count was previously 0.
@@ -336,24 +332,24 @@ long inc_rlimit_get_ucounts(struct ucounts *ucounts, enum ucount_type type)
}
return ret;
dec_unwind:
- dec = atomic_long_sub_return(1, &iter->ucount[type]);
+ dec = atomic_long_sub_return(1, &iter->rlimit[type]);
WARN_ON_ONCE(dec < 0);
unwind:
do_dec_rlimit_put_ucounts(ucounts, iter, type);
return 0;
}
-bool is_ucounts_overlimit(struct ucounts *ucounts, enum ucount_type type, unsigned long rlimit)
+bool is_rlimit_overlimit(struct ucounts *ucounts, enum rlimit_type type, unsigned long rlimit)
{
struct ucounts *iter;
long max = rlimit;
if (rlimit > LONG_MAX)
max = LONG_MAX;
for (iter = ucounts; iter; iter = iter->ns->ucounts) {
- long val = get_ucounts_value(iter, type);
+ long val = get_rlimit_value(iter, type);
if (val < 0 || val > max)
return true;
- max = READ_ONCE(iter->ns->ucount_max[type]);
+ max = get_userns_rlimit_max(iter->ns, type);
}
return false;
}