RE: [PATCH] phy: stm32: Fix printing of wrong uninitialized port number

From: Amelie DELAUNAY
Date: Thu Apr 05 2018 - 06:50:09 EST


Hi Geert,

Just to let you know, this warning is already fixed by a pending patch I've sent two weeks ago: https://lkml.org/lkml/2018/3/20/424.

Thanks,
Amelie

> -----Original Message-----
> From: Geert Uytterhoeven [mailto:geert@xxxxxxxxxxxxxx]
> Sent: jeudi 5 avril 2018 11:47
> To: Kishon Vijay Abraham I <kishon@xxxxxx>; Maxime Coquelin
> <mcoquelin.stm32@xxxxxxxxx>; Alexandre TORGUE
> <alexandre.torgue@xxxxxx>; Amelie DELAUNAY <amelie.delaunay@xxxxxx>
> Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx;
> Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
> Subject: [PATCH] phy: stm32: Fix printing of wrong uninitialized port number
>
> drivers/phy/st/phy-stm32-usbphyc.c: In function âstm32_usbphyc_probeâ:
> drivers/phy/st/phy-stm32-usbphyc.c:364: warning: âiâ may be used
> uninitialized in this function
>
> Indeed, during the first loop iteration, "i" is uninitialized.
> However, "i" does not represent the intended PHY instance number to print.
>
> Fix this by printing the correct variable instead.
>
> Fixes: 94c358da3a054520 ("phy: stm32: add support for STM32 USB PHY
> Controller (USBPHYC)")
> Signed-off-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
> ---
> drivers/phy/st/phy-stm32-usbphyc.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/phy/st/phy-stm32-usbphyc.c b/drivers/phy/st/phy-
> stm32-usbphyc.c
> index bc4e78a19c913dc9..1f682c176fd6239e 100644
> --- a/drivers/phy/st/phy-stm32-usbphyc.c
> +++ b/drivers/phy/st/phy-stm32-usbphyc.c
> @@ -367,8 +367,8 @@ static int stm32_usbphyc_probe(struct
> platform_device *pdev)
> if (IS_ERR(phy)) {
> ret = PTR_ERR(phy);
> if (ret != -EPROBE_DEFER)
> - dev_err(dev,
> - "failed to create phy%d: %d\n", i, ret);
> + dev_err(dev, "failed to create phy%d: %d\n",
> + port, ret);
> goto put_child;
> }
>
> --
> 2.7.4