diff options
| author | Jiasheng Jiang <jiasheng@iscas.ac.cn> | 2021-12-22 10:41:12 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-12-29 14:28:44 +0300 |
| commit | 98a5242e82f223baadb3d6d1f6ddaca400b57eb6 (patch) | |
| tree | 8a74936f16552fb044c17b02a4c6c37e696bbaf0 /drivers/net/ethernet | |
| parent | 643c89669e31352f97a6f67e948ac346f003289f (diff) | |
| download | linux-98a5242e82f223baadb3d6d1f6ddaca400b57eb6.tar.xz | |
drivers: net: smc911x: Check for error irq
[ Upstream commit cb93b3e11d405f20a405a07482d01147ef4934a3 ]
Because platform_get_irq() could fail and return error irq.
Therefore, it might be better to check it if order to avoid the use of
error irq.
Fixes: ae150435b59e ("smsc: Move the SMC (SMSC) drivers")
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>
Diffstat (limited to 'drivers/net/ethernet')
| -rw-r--r-- | drivers/net/ethernet/smsc/smc911x.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/ethernet/smsc/smc911x.c b/drivers/net/ethernet/smsc/smc911x.c index b008b4e8a2a5..0641a1d392b8 100644 --- a/drivers/net/ethernet/smsc/smc911x.c +++ b/drivers/net/ethernet/smsc/smc911x.c @@ -2070,6 +2070,11 @@ static int smc911x_drv_probe(struct platform_device *pdev) ndev->dma = (unsigned char)-1; ndev->irq = platform_get_irq(pdev, 0); + if (ndev->irq < 0) { + ret = ndev->irq; + goto release_both; + } + lp = netdev_priv(ndev); lp->netdev = ndev; #ifdef SMC_DYNAMIC_BUS_CONFIG |