diff options
author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2024-12-24 11:59:25 +0100 |
---|---|---|
committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2024-12-24 11:59:25 +0100 |
commit | 6b080c5b5a6685d1af842b0a3558db4d1fcf4345 (patch) | |
tree | f8c217307e44a6c6e6134708821384fabb159e87 | |
parent | 7cf6081e2e7db2ff84a8f4dd6f11f32dadb1665d (diff) | |
download | gnumach-6b080c5b5a6685d1af842b0a3558db4d1fcf4345.tar.gz gnumach-6b080c5b5a6685d1af842b0a3558db4d1fcf4345.tar.bz2 gnumach-6b080c5b5a6685d1af842b0a3558db4d1fcf4345.zip |
irq: make device_intr_register reject bogus intr id
-rw-r--r-- | device/ds_routines.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/device/ds_routines.c b/device/ds_routines.c index 439fc5b3..0db4f8cd 100644 --- a/device/ds_routines.c +++ b/device/ds_routines.c @@ -354,6 +354,9 @@ ds_device_intr_register (device_t dev, int id, if (! name_equal(mdev->dev_ops->d_name, 3, "irq")) return D_INVALID_OPERATION; + if (id < 0 || id >= NINTR) + return D_INVALID_OPERATION; + user_intr_t *e = insert_intr_entry (&irqtab, id, receive_port); if (!e) return D_NO_MEMORY; |