summaryrefslogtreecommitdiff
path: root/kernel/bpf/syscall.c
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/bpf/syscall.c')
-rw-r--r--kernel/bpf/syscall.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
index 13ad74ecf2cd..cf6285760aea 100644
--- a/kernel/bpf/syscall.c
+++ b/kernel/bpf/syscall.c
@@ -3998,6 +3998,11 @@ static int bpf_prog_attach_check_attach_type(const struct bpf_prog *prog,
* check permissions at attach time.
*/
return -EPERM;
+
+ ptype = attach_type_to_prog_type(attach_type);
+ if (prog->type != ptype)
+ return -EINVAL;
+
return prog->enforce_expected_attach_type &&
prog->expected_attach_type != attach_type ?
-EINVAL : 0;