diff options
| author | Kangjie Lu <kjlu@umn.edu> | 2018-12-25 20:57:14 -0600 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-12-05 15:37:49 +0100 |
| commit | 2f2a742cea6d028c703f53fb57919c101e6aef12 (patch) | |
| tree | b191d5bd19dbeb6a88ab4b4973add292942d6a59 /drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c | |
| parent | 3092e216b75397f09611a6d409476e5d7e8a75c2 (diff) | |
net: stmicro: fix a missing check of clk_prepare
[ Upstream commit f86a3b83833e7cfe558ca4d70b64ebc48903efec ]
clk_prepare() could fail, so let's check its status, and if it fails,
return its error code upstream.
Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c index d07520fb969e..62ccbd47c1db 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c @@ -59,7 +59,9 @@ static int sun7i_gmac_init(struct platform_device *pdev, void *priv) gmac->clk_enabled = 1; } else { clk_set_rate(gmac->tx_clk, SUN7I_GMAC_MII_RATE); - clk_prepare(gmac->tx_clk); + ret = clk_prepare(gmac->tx_clk); + if (ret) + return ret; } return 0; |