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-rw-r--r--kernel/bpf/tnum.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/kernel/bpf/tnum.c b/kernel/bpf/tnum.c
index 3d7127f439..9dbc31b25e 100644
--- a/kernel/bpf/tnum.c
+++ b/kernel/bpf/tnum.c
@@ -172,12 +172,6 @@ bool tnum_in(struct tnum a, struct tnum b)
return a.value == b.value;
}
-int tnum_strn(char *str, size_t size, struct tnum a)
-{
- return snprintf(str, size, "(%#llx; %#llx)", a.value, a.mask);
-}
-EXPORT_SYMBOL_GPL(tnum_strn);
-
int tnum_sbin(char *str, size_t size, struct tnum a)
{
size_t n;
@@ -208,7 +202,12 @@ struct tnum tnum_clear_subreg(struct tnum a)
return tnum_lshift(tnum_rshift(a, 32), 32);
}
+struct tnum tnum_with_subreg(struct tnum reg, struct tnum subreg)
+{
+ return tnum_or(tnum_clear_subreg(reg), tnum_subreg(subreg));
+}
+
struct tnum tnum_const_subreg(struct tnum a, u32 value)
{
- return tnum_or(tnum_clear_subreg(a), tnum_const(value));
+ return tnum_with_subreg(a, tnum_const(value));
}