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Fri, 05 Jun 2026 12:29:11 -0700 (PDT) From: Rhys Tumelty To: gregkh@linuxfoundation.org Cc: Rhys Tumelty , Vaibhav Agarwal , Mark Greer , Johan Hovold , Alex Elder , greybus-dev@lists.linaro.org, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org Subject: [PATCH] staging: greybus: audio: fix snprintf truncation errors Date: Fri, 5 Jun 2026 20:28:56 +0100 Message-ID: <20260605192857.78944-1-rhys@tumelty.co.uk> X-Mailer: git-send-email 2.54.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" change snprintf() to scnprintf() in both gbaudio_tplg_create_widget() and gbaudio_tplg_process_kcontrols() to prevent potential string truncation warnings when prefixing the device id to the control name. Signed-off-by: Rhys Tumelty --- drivers/staging/greybus/audio_topology.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/staging/greybus/audio_topology.c b/drivers/staging/gre= ybus/audio_topology.c index 76146f91c..b19febabb 100644 --- a/drivers/staging/greybus/audio_topology.c +++ b/drivers/staging/greybus/audio_topology.c @@ -1087,7 +1087,7 @@ static int gbaudio_tplg_create_widget(struct gbaudio_= module_info *module, =20 /* Prefix dev_id to widget control_name */ strscpy(temp_name, w->name, sizeof(temp_name)); - snprintf(w->name, sizeof(w->name), "GB %d %s", module->dev_id, temp_name); + scnprintf(w->name, sizeof(w->name), "GB %d %s", module->dev_id, temp_name= ); =20 switch (w->type) { case snd_soc_dapm_spk: @@ -1169,8 +1169,8 @@ static int gbaudio_tplg_process_kcontrols(struct gbau= dio_module_info *module, control->id =3D curr->id; /* Prefix dev_id to widget_name */ strscpy(temp_name, curr->name, sizeof(temp_name)); - snprintf(curr->name, sizeof(curr->name), "GB %d %s", module->dev_id, - temp_name); + scnprintf(curr->name, sizeof(curr->name), "GB %d %s", module->dev_id, + temp_name); control->name =3D curr->name; if (curr->info.type =3D=3D GB_AUDIO_CTL_ELEM_TYPE_ENUMERATED) { struct gb_audio_enumerated *gbenum =3D --=20 2.54.0