diff options
| author | Christophe JAILLET <christophe.jaillet@wanadoo.fr> | 2021-11-07 17:25:48 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-11-17 15:02:34 +0100 |
| commit | 3b8599a6f4817bdd7c5e7145f2972b7f22f00a9d (patch) | |
| tree | 88e1833d9f27ba85c903aa73346a650d677a1e64 /drivers/usb/gadget/udc/udc-xilinx.c | |
| parent | 51f2246158f686c881859f4b620f831f06e296e1 (diff) | |
usb: gadget: udc-xilinx: Fix an error handling path in 'xudc_probe()'
A successful 'clk_prepare_enable()' call should be balanced by a
corresponding 'clk_disable_unprepare()' call in the error handling path
of the probe, as already done in the remove function.
Fixes: 24749229211c ("usb: gadget: udc-xilinx: Add clock support")
Reviewed-by: Shubhrajyoti Datta <shubhraj@xilinx.com>
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/ec61a89b83ce34b53a3bdaacfd1413a9869cc608.1636302246.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/gadget/udc/udc-xilinx.c')
| -rw-r--r-- | drivers/usb/gadget/udc/udc-xilinx.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/usb/gadget/udc/udc-xilinx.c b/drivers/usb/gadget/udc/udc-xilinx.c index f5ca670776a3..857159dd5ae0 100644 --- a/drivers/usb/gadget/udc/udc-xilinx.c +++ b/drivers/usb/gadget/udc/udc-xilinx.c @@ -2136,7 +2136,7 @@ static int xudc_probe(struct platform_device *pdev) ret = usb_add_gadget_udc(&pdev->dev, &udc->gadget); if (ret) - goto fail; + goto err_disable_unprepare_clk; udc->dev = &udc->gadget.dev; @@ -2155,6 +2155,9 @@ static int xudc_probe(struct platform_device *pdev) udc->dma_enabled ? "with DMA" : "without DMA"); return 0; + +err_disable_unprepare_clk: + clk_disable_unprepare(udc->clk); fail: dev_err(&pdev->dev, "probe failed, %d\n", ret); return ret; |