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author | Christophe JAILLET <christophe.jaillet@wanadoo.fr> | 2021-08-19 23:48:08 +0300 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-11-18 21:17:04 +0300 |
commit | 01e189372d4871fb516966c145810f6262184c9f (patch) | |
tree | ac62e1ee782787d04a67c45159c372bcc7d1b5d7 /drivers/i2c | |
parent | 5b12e19315699274ca6f7d59bcceabf62b891729 (diff) | |
download | linux-01e189372d4871fb516966c145810f6262184c9f.tar.xz |
i2c: xlr: Fix a resource leak in the error handling path of 'xlr_i2c_probe()'
[ Upstream commit 7f98960c046ee1136e7096aee168eda03aef8a5d ]
A successful 'clk_prepare()' call should be balanced by a corresponding
'clk_unprepare()' call in the error handling path of the probe, as already
done in the remove function.
More specifically, 'clk_prepare_enable()' is used, but 'clk_disable()' is
also already called. So just the unprepare step has still to be done.
Update the error handling path accordingly.
Fixes: 75d31c2372e4 ("i2c: xlr: add support for Sigma Designs controller variant")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/i2c')
-rw-r--r-- | drivers/i2c/busses/i2c-xlr.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/i2c/busses/i2c-xlr.c b/drivers/i2c/busses/i2c-xlr.c index 126d1393e548..9ce20652d494 100644 --- a/drivers/i2c/busses/i2c-xlr.c +++ b/drivers/i2c/busses/i2c-xlr.c @@ -431,11 +431,15 @@ static int xlr_i2c_probe(struct platform_device *pdev) i2c_set_adapdata(&priv->adap, priv); ret = i2c_add_numbered_adapter(&priv->adap); if (ret < 0) - return ret; + goto err_unprepare_clk; platform_set_drvdata(pdev, priv); dev_info(&priv->adap.dev, "Added I2C Bus.\n"); return 0; + +err_unprepare_clk: + clk_unprepare(clk); + return ret; } static int xlr_i2c_remove(struct platform_device *pdev) |