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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-05-03 14:56:47 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-05-26 12:29:07 +0300
commit41ea6052ee5ce162fae1f93d8c1bf54139b3401e (patch)
treec510fabff63351ddfd1a84782052982df24bcd81 /drivers/net/ethernet/stmicro
parent1f889bb3326634a2a240e68004f4c1886711507c (diff)
downloadlinux-41ea6052ee5ce162fae1f93d8c1bf54139b3401e.tar.xz
Revert "net: stmicro: fix a missing check of clk_prepare"
commit bee1b0511844c8c79fccf1f2b13472393b6b91f7 upstream. This reverts commit f86a3b83833e7cfe558ca4d70b64ebc48903efec. Because of recent interactions with developers from @umn.edu, all commits from them have been recently re-reviewed to ensure if they were correct or not. Upon review, this commit was found to be incorrect for the reasons below, so it must be reverted. It will be fixed up "correctly" in a later kernel change. The original commit causes a memory leak when it is trying to claim it is properly handling errors. Revert this change and fix it up properly in a follow-on commit. Cc: Kangjie Lu <kjlu@umn.edu> Cc: David S. Miller <davem@davemloft.net> Fixes: f86a3b83833e ("net: stmicro: fix a missing check of clk_prepare") Cc: stable <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20210503115736.2104747-21-gregkh@linuxfoundation.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/net/ethernet/stmicro')
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c
index fc1fa0f9f338..ee5c0c626351 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c
@@ -59,9 +59,7 @@ 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);
- ret = clk_prepare(gmac->tx_clk);
- if (ret)
- return ret;
+ clk_prepare(gmac->tx_clk);
}
return 0;