> Subject: [EXTERNAL] Re: [PATCH] vdpa/octeon_ep: Fix format specifier for
> pointers in debug messages
>
> On Mon, Sep 16, 2024 at 09: 52: 55PM +0530, Srujana Challa wrote: >
> Updates the debug messages in octep_vdpa_hw. c to use the %p format >
> specifier for pointers instead of casting them to u64. > > Fixes smatch
> warning:
> > octep_hw_caps_read()
> On Mon, Sep 16, 2024 at 09:52:55PM +0530, Srujana Challa wrote:
> > Updates the debug messages in octep_vdpa_hw.c to use the %p format
> > specifier for pointers instead of casting them to u64.
> >
> > Fixes smatch warning:
> > octep_hw_caps_read() warn: argument 3 to %016llx specifier is cast
> > from pointer
> >
> > Fixes: 8b6c724cdab8 ("virtio: vdpa: vDPA driver for Marvell OCTEON DPU
> > devices")
> >
> > Reported-by: kernel test robot <l...@intel.com>
> > Reported-by: Dan Carpenter <dan.carpen...@linaro.org>
> > Closes:https://urldefense.proofpoint.com/v2/url?u=https-3A__lore.kerne
> > l.org_r_202409160431.bRhZWhiU-2Dlkp-
> 40intel.com_&d=DwIBAg&c=nKjWec2b6R
> >
> 0mOyPaz7xtfQ&r=Fj4OoD5hcKFpANhTWdwQzjT1Jpf7veC5263T47JVpnc&m
> =qyhlWh2lF
> > E3SPFpB_eJ0K1RFMa5f-
> kcNChFHkCARDCXIkzMk__3sqspP_K7KGxaj&s=fMvS62XMmi5H
> > ESJuL9v7FX3c8RSzKCq7JM6Khcof4vM&e=
> > <https://urldefense.proofpoint.com/v2/url?u=https-3A__lore.kernel.org_
> > r_202409160431.bRhZWhiU-2Dlkp-
> 40intel.com_&d=DwIBAg&c=nKjWec2b6R0mOyPa
> >
> z7xtfQ&r=Fj4OoD5hcKFpANhTWdwQzjT1Jpf7veC5263T47JVpnc&m=qyhlWh
> 2lFE3SPFp
> > B_eJ0K1RFMa5f-
> kcNChFHkCARDCXIkzMk__3sqspP_K7KGxaj&s=fMvS62XMmi5HESJuL9
> > v7FX3c8RSzKCq7JM6Khcof4vM&e= >> Signed-off-by: Srujana Challa
> > <scha...@marvell.com>
>
>
>
> This does not fix it completely.
> ret is still 0 here:
>
> 8b6c724cdab85d Srujana Challa 2024-06-14 140 val =
> octep_read_sig(mbox);
> 8b6c724cdab85d Srujana Challa 2024-06-14 141 if ((val & 0xFFFF) !=
> MBOX_RSP_SIG) {
> 8b6c724cdab85d Srujana Challa 2024-06-14 142
> dev_warn(&pdev->dev, "Invalid Signature from mbox : %d
> response\n", id);
> 8b6c724cdab85d Srujana Challa 2024-06-14 @143 return ret;
> 8b6c724cdab85d Srujana Challa 2024-06-14 144 }
>
>
> which is wrong.
The fix for the error code is already included in the linux-next and mainline
Linux repositories.
Therefore, I did not include that change in this patch.
Thanks.
>
>
> > ---
> > drivers/vdpa/octeon_ep/octep_vdpa_hw.c | 12 ++++++------
> > 1 file changed, 6 insertions(+), 6 deletions(-)
> >
> > diff --git a/drivers/vdpa/octeon_ep/octep_vdpa_hw.c
> > b/drivers/vdpa/octeon_ep/octep_vdpa_hw.c
> > index 11bd76ae18cf..1d4767b33315 100644
> > --- a/drivers/vdpa/octeon_ep/octep_vdpa_hw.c
> > +++ b/drivers/vdpa/octeon_ep/octep_vdpa_hw.c
> > @@ -475,11 +475,11 @@ int octep_hw_caps_read(struct octep_hw
> *oct_hw, struct pci_dev *pdev)
> > dev_err(dev, "Incomplete PCI capabilities");
> > return -EIO;
> > }
> > - dev_info(dev, "common cfg mapped at: 0x%016llx\n",
> (u64)(uintptr_t)oct_hw->common_cfg);
> > - dev_info(dev, "device cfg mapped at: 0x%016llx\n",
> (u64)(uintptr_t)oct_hw->dev_cfg);
> > - dev_info(dev, "isr cfg mapped at: 0x%016llx\n",
> (u64)(uintptr_t)oct_hw->isr);
> > - dev_info(dev, "notify base: 0x%016llx, notify off multiplier: %u\n",
> > - (u64)(uintptr_t)oct_hw->notify_base, oct_hw-
> >notify_off_multiplier);
> > + dev_info(dev, "common cfg mapped at: %p\n", oct_hw-
> >common_cfg);
> > + dev_info(dev, "device cfg mapped at: %p\n", oct_hw->dev_cfg);
> > + dev_info(dev, "isr cfg mapped at: %p\n", oct_hw->isr);
> > + dev_info(dev, "notify base: %p, notify off multiplier: %u\n",
> > + oct_hw->notify_base, oct_hw->notify_off_multiplier);
> >
> > oct_hw->config_size = octep_get_config_size(oct_hw);
> > oct_hw->features = octep_hw_get_dev_features(oct_hw);
> > @@ -511,7 +511,7 @@ int octep_hw_caps_read(struct octep_hw *oct_hw,
> struct pci_dev *pdev)
> > }
> > mbox = octep_get_mbox(oct_hw);
> > octep_mbox_init(mbox);
> > - dev_info(dev, "mbox mapped at: 0x%016llx\n",
> (u64)(uintptr_t)mbox);
> > + dev_info(dev, "mbox mapped at: %p\n", mbox);
> >
> > return 0;
> > }
> > --
> > 2.25.1
