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Message-ID: <202401062344.AzZCYlpa-lkp@intel.com>
Date: Sat, 6 Jan 2024 23:30:57 +0800
From: kernel test robot <lkp@...el.com>
To: "Geoffrey D. Bennett" <g@...vu>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
Takashi Iwai <tiwai@...e.de>
Subject: sound/usb/mixer_scarlett2.c:3226:48: warning: ' Volume Control
Playback Enum' directive output may be truncated writing 29 bytes into a
region of size between 25 and 33
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 95c8a35f1c017327eab3b6a2ff5c04255737c856
commit: efc3d7d20361cc59325a9f0525e079333b4459c0 ALSA: scarlett2: Rename scarlett_gen2 to scarlett2
date: 2 months ago
config: arm64-randconfig-001-20240106 (https://download.01.org/0day-ci/archive/20240106/202401062344.AzZCYlpa-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240106/202401062344.AzZCYlpa-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202401062344.AzZCYlpa-lkp@intel.com/
All warnings (new ones prefixed by >>):
sound/usb/mixer_scarlett2.c: In function 'scarlett2_add_line_out_ctls':
>> sound/usb/mixer_scarlett2.c:3226:48: warning: ' Volume Control Playback Enum' directive output may be truncated writing 29 bytes into a region of size between 25 and 33 [-Wformat-truncation=]
3226 | "Line Out %02d Volume Control Playback Enum",
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sound/usb/mixer_scarlett2.c:3225:25: note: 'snprintf' output between 41 and 49 bytes into a destination of size 44
3225 | snprintf(s, sizeof(s),
| ^~~~~~~~~~~~~~~~~~~~~~
3226 | "Line Out %02d Volume Control Playback Enum",
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
3227 | i + 1);
| ~~~~~~
Kconfig warnings: (for reference only)
WARNING: unmet direct dependencies detected for VIDEO_OV2640
Depends on [n]: MEDIA_SUPPORT [=y] && VIDEO_DEV [=y] && VIDEO_CAMERA_SENSOR [=n]
Selected by [m]:
- VIDEO_EM28XX_V4L2 [=m] && USB [=y] && MEDIA_SUPPORT [=y] && MEDIA_USB_SUPPORT [=y] && (MEDIA_CAMERA_SUPPORT [=y] || MEDIA_ANALOG_TV_SUPPORT [=y] || MEDIA_DIGITAL_TV_SUPPORT [=y]) && VIDEO_EM28XX [=m] && MEDIA_SUBDRV_AUTOSELECT [=y] && MEDIA_CAMERA_SUPPORT [=y]
WARNING: unmet direct dependencies detected for VIDEO_OV7640
Depends on [n]: MEDIA_SUPPORT [=y] && VIDEO_DEV [=y] && VIDEO_CAMERA_SENSOR [=n]
Selected by [m]:
- VIDEO_GO7007 [=m] && MEDIA_SUPPORT [=y] && MEDIA_USB_SUPPORT [=y] && MEDIA_ANALOG_TV_SUPPORT [=y] && VIDEO_DEV [=y] && I2C [=y] && SND [=m] && USB [=y] && MEDIA_SUBDRV_AUTOSELECT [=y] && MEDIA_CAMERA_SUPPORT [=y]
WARNING: unmet direct dependencies detected for VIDEO_MT9V011
Depends on [n]: MEDIA_SUPPORT [=y] && VIDEO_DEV [=y] && VIDEO_CAMERA_SENSOR [=n]
Selected by [m]:
- VIDEO_EM28XX_V4L2 [=m] && USB [=y] && MEDIA_SUPPORT [=y] && MEDIA_USB_SUPPORT [=y] && (MEDIA_CAMERA_SUPPORT [=y] || MEDIA_ANALOG_TV_SUPPORT [=y] || MEDIA_DIGITAL_TV_SUPPORT [=y]) && VIDEO_EM28XX [=m] && MEDIA_SUBDRV_AUTOSELECT [=y] && MEDIA_CAMERA_SUPPORT [=y]
vim +3226 sound/usb/mixer_scarlett2.c
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3166
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3167 static int scarlett2_add_line_out_ctls(struct usb_mixer_interface *mixer)
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3168 {
e46f2195c86b00 sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2021-06-21 3169 struct scarlett2_data *private = mixer->private_data;
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3170 const struct scarlett2_device_info *info = private->info;
e2cc91ac8f4e1b sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2021-06-22 3171 const int (*port_count)[SCARLETT2_PORT_DIRNS] = info->port_count;
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3172 int num_line_out =
e2cc91ac8f4e1b sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2021-06-22 3173 port_count[SCARLETT2_PORT_TYPE_ANALOGUE][SCARLETT2_PORT_OUT];
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3174 int err, i;
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3175 char s[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3176
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3177 /* Add R/O HW volume control */
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3178 if (info->line_out_hw_vol) {
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3179 snprintf(s, sizeof(s), "Master HW Playback Volume");
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3180 err = scarlett2_add_new_ctl(mixer,
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3181 &scarlett2_master_volume_ctl,
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3182 0, 1, s, &private->master_vol_ctl);
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3183 if (err < 0)
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3184 return err;
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3185 }
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3186
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3187 /* Add volume controls */
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3188 for (i = 0; i < num_line_out; i++) {
9cfe1276a6736f sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2021-06-23 3189 int index = line_out_remap(private, i);
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3190
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3191 /* Fader */
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3192 if (info->line_out_descrs[i])
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3193 snprintf(s, sizeof(s),
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3194 "Line %02d (%s) Playback Volume",
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3195 i + 1, info->line_out_descrs[i]);
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3196 else
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3197 snprintf(s, sizeof(s),
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3198 "Line %02d Playback Volume",
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3199 i + 1);
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3200 err = scarlett2_add_new_ctl(mixer,
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3201 &scarlett2_line_out_volume_ctl,
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3202 i, 1, s, &private->vol_ctls[i]);
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3203 if (err < 0)
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3204 return err;
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3205
0c88f9db1910ff sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2021-06-22 3206 /* Mute Switch */
0c88f9db1910ff sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2021-06-22 3207 snprintf(s, sizeof(s),
0c88f9db1910ff sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2021-06-22 3208 "Line %02d Mute Playback Switch",
0c88f9db1910ff sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2021-06-22 3209 i + 1);
0c88f9db1910ff sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2021-06-22 3210 err = scarlett2_add_new_ctl(mixer,
0c88f9db1910ff sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2021-06-22 3211 &scarlett2_mute_ctl,
0c88f9db1910ff sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2021-06-22 3212 i, 1, s,
0c88f9db1910ff sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2021-06-22 3213 &private->mute_ctls[i]);
0c88f9db1910ff sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2021-06-22 3214 if (err < 0)
0c88f9db1910ff sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2021-06-22 3215 return err;
0c88f9db1910ff sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2021-06-22 3216
0c88f9db1910ff sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2021-06-22 3217 /* Make the fader and mute controls read-only if the
0c88f9db1910ff sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2021-06-22 3218 * SW/HW switch is set to HW
0c88f9db1910ff sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2021-06-22 3219 */
9cfe1276a6736f sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2021-06-23 3220 if (private->vol_sw_hw_switch[index])
06250c89d47cef sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2021-06-22 3221 scarlett2_vol_ctl_set_writable(mixer, i, 0);
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3222
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3223 /* SW/HW Switch */
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3224 if (info->line_out_hw_vol) {
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3225 snprintf(s, sizeof(s),
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 @3226 "Line Out %02d Volume Control Playback Enum",
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3227 i + 1);
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3228 err = scarlett2_add_new_ctl(mixer,
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3229 &scarlett2_sw_hw_enum_ctl,
f02da6534810ac sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2021-06-23 3230 i, 1, s,
f02da6534810ac sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2021-06-23 3231 &private->sw_hw_ctls[i]);
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3232 if (err < 0)
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3233 return err;
e914d8432cb4b9 sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2021-06-23 3234
e914d8432cb4b9 sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2021-06-23 3235 /* Make the switch read-only if the line is
e914d8432cb4b9 sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2021-06-23 3236 * involved in speaker switching
e914d8432cb4b9 sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2021-06-23 3237 */
e914d8432cb4b9 sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2021-06-23 3238 if (private->speaker_switching_switch && i < 4)
e914d8432cb4b9 sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2021-06-23 3239 scarlett2_sw_hw_ctl_ro(private, i);
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3240 }
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3241 }
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3242
dbd82c0550633c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2021-06-21 3243 /* Add dim/mute controls */
03bdbcf08a8cb7 sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2021-06-21 3244 if (info->line_out_hw_vol)
dbd82c0550633c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2021-06-21 3245 for (i = 0; i < SCARLETT2_DIM_MUTE_COUNT; i++) {
03bdbcf08a8cb7 sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2021-06-21 3246 err = scarlett2_add_new_ctl(
dbd82c0550633c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2021-06-21 3247 mixer, &scarlett2_dim_mute_ctl,
dbd82c0550633c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2021-06-21 3248 i, 1, scarlett2_dim_mute_names[i],
dbd82c0550633c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2021-06-21 3249 &private->dim_mute_ctls[i]);
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3250 if (err < 0)
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3251 return err;
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3252 }
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3253
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3254 return 0;
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3255 }
9e4d5c1be21f0c sound/usb/mixer_scarlett_gen2.c Geoffrey D. Bennett 2019-07-29 3256
:::::: The code at line 3226 was first introduced by commit
:::::: 9e4d5c1be21f0c00e747e92186784f3298309b3e ALSA: usb-audio: Scarlett Gen 2 mixer interface
:::::: TO: Geoffrey D. Bennett <g@...vu>
:::::: CC: Takashi Iwai <tiwai@...e.de>
--
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