iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

fjes: Check for error irq

Browse Source 
[ Upstream commit db6d6afe382de5a65d6ccf51253ab48b8e8336c3 ]

I find that platform_get_irq() will not always succeed.
It will return error irq in case of the failure.
Therefore, it might be better to check it if order to avoid the use of
error irq.

Fixes: 658d439b2292 ("fjes: Introduce FUJITSU Extended Socket Network Device driver")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Jiasheng Jiang 2021-12-22 15:12:07 +08:00 committed by Greg Kroah-Hartman
parent 53cf468483
commit fb3189a2a4
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/net/fjes/fjes_main.c
View File

@ -1219,6 +1219,11 @@ static int fjes_probe(struct platform_device *plat_dev)
hw->hw_res.start = res->start;
hw->hw_res.size = resource_size(res);
hw->hw_res.irq = platform_get_irq(plat_dev, 0);
if (hw->hw_res.irq < 0) {
err = hw->hw_res.irq;
goto err_free_control_wq;
}
err = fjes_hw_init(&adapter->hw);
if (err)
goto err_free_control_wq;