tap: fix memory leak when unregister intr handler
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Commit Message
The return check of function tap_lsc_intr_handle_set() is wrong, it should
be 0 or a positive number if success. So the intr_handle->intr_vec was not
been freed when tap_lsc_intr_handle_set() returned a positive number.
Fixes: 4870a8cdd968 ("net/tap: support Rx interrupt")
Cc: stable@dpdk.org
Signed-off-by: Yunjian Wang <wangyunjian@huawei.com>
---
drivers/net/tap/rte_eth_tap.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
@@ -1591,8 +1591,10 @@ tap_intr_handle_set(struct rte_eth_dev *dev, int set)
int err;
err = tap_lsc_intr_handle_set(dev, set);
- if (err)
+ if (err < 0) {
+ tap_rx_intr_vec_set(dev, 0);
return err;
+ }
err = tap_rx_intr_vec_set(dev, set);
if (err && set)
tap_lsc_intr_handle_set(dev, 0);