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-rw-r--r--drivers/crypto/qat/qat_common/adf_transport.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/crypto/qat/qat_common/adf_transport.c b/drivers/crypto/qat/qat_common/adf_transport.c
index d5d8198..3865ae8 100644
--- a/drivers/crypto/qat/qat_common/adf_transport.c
+++ b/drivers/crypto/qat/qat_common/adf_transport.c
@@ -264,6 +264,10 @@ int adf_create_ring(struct adf_accel_dev *accel_dev, const char *section,
dev_err(&GET_DEV(accel_dev), "Can't get ring number\n");
return -EFAULT;
}
+ if (ring_num >= ADF_ETR_MAX_RINGS_PER_BANK) {
+ dev_err(&GET_DEV(accel_dev), "Invalid ring number\n");
+ return -EFAULT;
+ }
bank = &transport_data->banks[bank_num];
if (adf_reserve_ring(bank, ring_num)) {