[dpdk-stable] [dpdk-dev] [PATCH 2/3] eal: fix remove incorrect event_cb
Jeff Guo
jia.guo at intel.com
Fri Jun 12 07:56:05 CEST 2020
hi, yunjian
On 6/3/2020 8:55 PM, wangyunjian wrote:
> From: Yunjian Wang <wangyunjian at huawei.com>
>
> When the device_name is NULL, it will remove the event_cb directly.
> We need to compare the 'cb_fn' and 'cb_arg' at the same time.
>
> Fixes: a753e53d517b ("eal: add device event monitor framework")
> Cc: stable at dpdk.org
>
> Signed-off-by: Yunjian Wang <wangyunjian at huawei.com>
> ---
> lib/librte_eal/common/eal_common_dev.c | 7 ++++++-
> 1 file changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/lib/librte_eal/common/eal_common_dev.c b/lib/librte_eal/common/eal_common_dev.c
> index 4cfdb80..6b465bc 100644
> --- a/lib/librte_eal/common/eal_common_dev.c
> +++ b/lib/librte_eal/common/eal_common_dev.c
> @@ -516,7 +516,12 @@ static int cmp_dev_name(const struct rte_device *dev, const void *_name)
> event_cb->cb_arg != cb_arg))
> continue;
> }
> - } else if (device_name != NULL) {
> + } else if (device_name == NULL && event_cb->dev_name == NULL) {
> + if (event_cb->cb_fn != cb_fn ||
> + (cb_arg != (void *)-1 &&
> + event_cb->cb_arg != cb_arg))
> + continue;
> + } else {
If we expect flush all event_cb when device_name is NULL, why we should
check the cb_fn and cb_arg?
> continue;
> }
>
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