| Message ID | 20221109011537.96975-1-shaozhengchao@huawei.com |
|---|---|
| State | New |
| Headers | show |
| Series | [net] net: cpsw: disable napi in cpsw_ndo_open() | expand |
On Wed, 9 Nov 2022 09:15:37 +0800 Zhengchao Shao wrote: > When failed to create xdp rxqs or fill rx channels in cpsw_ndo_open() for > opening device, napi isn't disabled. When open cpsw device next time, it > will report a invalid opcode issue. Fix it. Only be compiled, not be > tested. > > Fixes: d354eb85d618 ("drivers: net: cpsw: dual_emac: simplify napi usage") Nice work, not a trivial Fixes tag to zero in on, I appreciate the improvement :)
Hello: This patch was applied to netdev/net.git (master) by Jakub Kicinski <kuba@kernel.org>: On Wed, 9 Nov 2022 09:15:37 +0800 you wrote: > When failed to create xdp rxqs or fill rx channels in cpsw_ndo_open() for > opening device, napi isn't disabled. When open cpsw device next time, it > will report a invalid opcode issue. Fix it. Only be compiled, not be > tested. > > Fixes: d354eb85d618 ("drivers: net: cpsw: dual_emac: simplify napi usage") > Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com> > > [...] Here is the summary with links: - [net] net: cpsw: disable napi in cpsw_ndo_open() https://git.kernel.org/netdev/net/c/6d47b53fb3f3 You are awesome, thank you!
diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index 709ca6dd6ecb..13c9c2d6b79b 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -854,6 +854,8 @@ static int cpsw_ndo_open(struct net_device *ndev) err_cleanup: if (!cpsw->usage_count) { + napi_disable(&cpsw->napi_rx); + napi_disable(&cpsw->napi_tx); cpdma_ctlr_stop(cpsw->dma); cpsw_destroy_xdp_rxqs(cpsw); }
When failed to create xdp rxqs or fill rx channels in cpsw_ndo_open() for opening device, napi isn't disabled. When open cpsw device next time, it will report a invalid opcode issue. Fix it. Only be compiled, not be tested. Fixes: d354eb85d618 ("drivers: net: cpsw: dual_emac: simplify napi usage") Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com> --- drivers/net/ethernet/ti/cpsw.c | 2 ++ 1 file changed, 2 insertions(+)