Applied. Thanks! Alex
On Thu, Jul 1, 2021 at 4:33 AM Jiri Kosina <ji...@kernel.org> wrote: > > On Thu, 24 Jun 2021, Jiri Kosina wrote: > > > From: Jiri Kosina <jkos...@suse.cz> > > > > In case when psp_init_asd_microcode() fails to load ASD microcode file, > > psp_v12_0_init_microcode() tries to print the firmware filename that > > failed to load before bailing out. > > > > This is wrong because: > > > > - the firmware filename it would want it print is an incorrect one as > > psp_init_asd_microcode() and psp_v12_0_init_microcode() are loading > > different filenames > > - it tries to print fw_name, but that's not yet been initialized by that > > time, so it prints random stack contents, e.g. > > > > amdgpu 0000:04:00.0: Direct firmware load for amdgpu/renoir_asd.bin > > failed with error -2 > > amdgpu 0000:04:00.0: amdgpu: fail to initialize asd microcode > > amdgpu 0000:04:00.0: amdgpu: psp v12.0: Failed to load firmware > > "\xfeTO\x8e\xff\xff" > > > > Fix that by bailing out immediately, instead of priting the bogus error > > message. > > Friendly ping on this one too; priting a few bytes of stack is not a > *huge* info leak, but I believe it should be fixed nevertheless. > > Thanks. > > > > > Reported-by: Vojtech Pavlik <vojt...@ucw.cz> > > Signed-off-by: Jiri Kosina <jkos...@suse.cz> > > > > --- > > > > v1 -> v2: remove now-unused label > > > > drivers/gpu/drm/amd/amdgpu/psp_v12_0.c | 7 +++---- > > 1 file changed, 3 insertions(+), 4 deletions(-) > > > > diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v12_0.c > > b/drivers/gpu/drm/amd/amdgpu/psp_v12_0.c > > index c4828bd3264b..b0ee77ee80b9 100644 > > --- a/drivers/gpu/drm/amd/amdgpu/psp_v12_0.c > > +++ b/drivers/gpu/drm/amd/amdgpu/psp_v12_0.c > > @@ -67,7 +67,7 @@ static int psp_v12_0_init_microcode(struct psp_context > > *psp) > > > > err = psp_init_asd_microcode(psp, chip_name); > > if (err) > > - goto out; > > + return err; > > > > snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_ta.bin", chip_name); > > err = request_firmware(&adev->psp.ta_fw, fw_name, adev->dev); > > @@ -80,7 +80,7 @@ static int psp_v12_0_init_microcode(struct psp_context > > *psp) > > } else { > > err = amdgpu_ucode_validate(adev->psp.ta_fw); > > if (err) > > - goto out2; > > + goto out; > > > > ta_hdr = (const struct ta_firmware_header_v1_0 *) > > adev->psp.ta_fw->data; > > @@ -105,10 +105,9 @@ static int psp_v12_0_init_microcode(struct psp_context > > *psp) > > > > return 0; > > > > -out2: > > +out: > > release_firmware(adev->psp.ta_fw); > > adev->psp.ta_fw = NULL; > > -out: > > if (err) { > > dev_err(adev->dev, > > "psp v12.0: Failed to load firmware \"%s\"\n", > > -- > > 2.12.3 > > > > -- > Jiri Kosina > SUSE Labs > > _______________________________________________ > amd-gfx mailing list > amd-gfx@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/amd-gfx _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx