tree: https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux.git master head: 56037cadf60461b4a2996b4d8f0057c4d343c17c commit: a035d552a93bb9ef6048733bb9f2a0dc857ff869 Makefile: Globally enable fall-through warning date: 7 weeks ago config: powerpc-mpc512x_defconfig (attached as .config) compiler: powerpc-linux-gcc (GCC) 7.4.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout a035d552a93bb9ef6048733bb9f2a0dc857ff869 # save the attached .config to linux build tree GCC_VERSION=7.4.0 make.cross ARCH=powerpc
If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <l...@intel.com>
All warnings (new ones prefixed by >>):
In file included from include/linux/acpi.h:15:0,
from include/linux/i2c.h:13,
from include/uapi/linux/fb.h:6,
from include/linux/fb.h:6,
from drivers/video/fbdev/fsl-diu-fb.c:20:
drivers/video/fbdev/fsl-diu-fb.c: In function 'fsl_diu_ioctl':
include/linux/device.h:1495:2: warning: this statement may fall through
[-Wimplicit-fallthrough=]
_dev_warn(dev, dev_fmt(fmt), ##__VA_ARGS__)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/video/fbdev/fsl-diu-fb.c:1287:3: note: in expansion of macro
>> 'dev_warn'
dev_warn(info->dev,
^~~~~~~~
drivers/video/fbdev/fsl-diu-fb.c:1290:2: note: here
case MFB_SET_PIXFMT:
^~~~
In file included from include/linux/acpi.h:15:0,
from include/linux/i2c.h:13,
from include/uapi/linux/fb.h:6,
from include/linux/fb.h:6,
from drivers/video/fbdev/fsl-diu-fb.c:20:
include/linux/device.h:1495:2: warning: this statement may fall through
[-Wimplicit-fallthrough=]
_dev_warn(dev, dev_fmt(fmt), ##__VA_ARGS__)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/video/fbdev/fsl-diu-fb.c:1296:3: note: in expansion of macro
'dev_warn'
dev_warn(info->dev,
^~~~~~~~
drivers/video/fbdev/fsl-diu-fb.c:1299:2: note: here
case MFB_GET_PIXFMT:
^~~~
vim +/dev_warn +1287 drivers/video/fbdev/fsl-diu-fb.c
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1265
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1266 static
int fsl_diu_ioctl(struct fb_info *info, unsigned int cmd,
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1267
unsigned long arg)
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1268 {
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1269 struct
mfb_info *mfbi = info->par;
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1270 struct
diu_ad *ad = mfbi->ad;
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1271 struct
mfb_chroma_key ck;
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1272
unsigned char global_alpha;
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1273 struct
aoi_display_offset aoi_d;
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1274 __u32
pix_fmt;
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1275 void
__user *buf = (void __user *)arg;
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1276
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1277 if
(!arg)
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1278
return -EINVAL;
5cc2a36fe8aad0 drivers/video/fsl-diu-fb.c Timur Tabi 2012-10-16 1279
5cc2a36fe8aad0 drivers/video/fsl-diu-fb.c Timur Tabi 2012-10-16 1280
dev_dbg(info->dev, "ioctl %08x (dir=%s%s type=%u nr=%u size=%u)\n", cmd,
5cc2a36fe8aad0 drivers/video/fsl-diu-fb.c Timur Tabi 2012-10-16 1281
_IOC_DIR(cmd) & _IOC_READ ? "R" : "",
5cc2a36fe8aad0 drivers/video/fsl-diu-fb.c Timur Tabi 2012-10-16 1282
_IOC_DIR(cmd) & _IOC_WRITE ? "W" : "",
5cc2a36fe8aad0 drivers/video/fsl-diu-fb.c Timur Tabi 2012-10-16 1283
_IOC_TYPE(cmd), _IOC_NR(cmd), _IOC_SIZE(cmd));
5cc2a36fe8aad0 drivers/video/fsl-diu-fb.c Timur Tabi 2012-10-16 1284
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1285 switch
(cmd) {
36b0b1d41541fc drivers/video/fsl-diu-fb.c Timur Tabi 2011-10-04 1286 case
MFB_SET_PIXFMT_OLD:
36b0b1d41541fc drivers/video/fsl-diu-fb.c Timur Tabi 2011-10-04 @1287
dev_warn(info->dev,
36b0b1d41541fc drivers/video/fsl-diu-fb.c Timur Tabi 2011-10-04 1288
"MFB_SET_PIXFMT value of 0x%08x is deprecated.\n",
36b0b1d41541fc drivers/video/fsl-diu-fb.c Timur Tabi 2011-10-04 1289
MFB_SET_PIXFMT_OLD);
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1290 case
MFB_SET_PIXFMT:
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1291
if (copy_from_user(&pix_fmt, buf, sizeof(pix_fmt)))
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1292
return -EFAULT;
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1293
ad->pix_fmt = pix_fmt;
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1294
break;
36b0b1d41541fc drivers/video/fsl-diu-fb.c Timur Tabi 2011-10-04 1295 case
MFB_GET_PIXFMT_OLD:
36b0b1d41541fc drivers/video/fsl-diu-fb.c Timur Tabi 2011-10-04 1296
dev_warn(info->dev,
36b0b1d41541fc drivers/video/fsl-diu-fb.c Timur Tabi 2011-10-04 1297
"MFB_GET_PIXFMT value of 0x%08x is deprecated.\n",
36b0b1d41541fc drivers/video/fsl-diu-fb.c Timur Tabi 2011-10-04 1298
MFB_GET_PIXFMT_OLD);
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1299 case
MFB_GET_PIXFMT:
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1300
pix_fmt = ad->pix_fmt;
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1301
if (copy_to_user(buf, &pix_fmt, sizeof(pix_fmt)))
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1302
return -EFAULT;
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1303
break;
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1304 case
MFB_SET_AOID:
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1305
if (copy_from_user(&aoi_d, buf, sizeof(aoi_d)))
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1306
return -EFAULT;
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1307
mfbi->x_aoi_d = aoi_d.x_aoi_d;
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1308
mfbi->y_aoi_d = aoi_d.y_aoi_d;
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1309
fsl_diu_check_var(&info->var, info);
ae5591e3f47544 drivers/video/fsl-diu-fb.c York Sun 2008-08-15 1310
fsl_diu_set_aoi(info);
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1311
break;
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1312 case
MFB_GET_AOID:
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1313
aoi_d.x_aoi_d = mfbi->x_aoi_d;
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1314
aoi_d.y_aoi_d = mfbi->y_aoi_d;
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1315
if (copy_to_user(buf, &aoi_d, sizeof(aoi_d)))
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1316
return -EFAULT;
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1317
break;
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1318 case
MFB_GET_ALPHA:
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1319
global_alpha = mfbi->g_alpha;
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1320
if (copy_to_user(buf, &global_alpha, sizeof(global_alpha)))
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1321
return -EFAULT;
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1322
break;
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1323 case
MFB_SET_ALPHA:
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1324
/* set panel information */
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1325
if (copy_from_user(&global_alpha, buf, sizeof(global_alpha)))
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1326
return -EFAULT;
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1327
ad->src_size_g_alpha = (ad->src_size_g_alpha & (~0xff)) |
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1328
(global_alpha & 0xff);
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1329
mfbi->g_alpha = global_alpha;
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1330
break;
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1331 case
MFB_SET_CHROMA_KEY:
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1332
/* set panel winformation */
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1333
if (copy_from_user(&ck, buf, sizeof(ck)))
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1334
return -EFAULT;
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1335
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1336
if (ck.enable &&
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1337
(ck.red_max < ck.red_min ||
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1338
ck.green_max < ck.green_min ||
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1339
ck.blue_max < ck.blue_min))
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1340
return -EINVAL;
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1341
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1342
if (!ck.enable) {
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1343
ad->ckmax_r = 0;
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1344
ad->ckmax_g = 0;
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1345
ad->ckmax_b = 0;
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1346
ad->ckmin_r = 255;
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1347
ad->ckmin_g = 255;
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1348
ad->ckmin_b = 255;
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1349
} else {
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1350
ad->ckmax_r = ck.red_max;
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1351
ad->ckmax_g = ck.green_max;
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1352
ad->ckmax_b = ck.blue_max;
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1353
ad->ckmin_r = ck.red_min;
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1354
ad->ckmin_g = ck.green_min;
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1355
ad->ckmin_b = ck.blue_min;
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1356
}
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1357
break;
e95c17e9caff4b drivers/video/fsl-diu-fb.c Timur Tabi 2012-10-16 1358 #ifdef
CONFIG_PPC_MPC512x
e95c17e9caff4b drivers/video/fsl-diu-fb.c Timur Tabi 2012-10-16 1359 case
MFB_SET_GAMMA: {
e95c17e9caff4b drivers/video/fsl-diu-fb.c Timur Tabi 2012-10-16 1360
struct fsl_diu_data *data = mfbi->parent;
e95c17e9caff4b drivers/video/fsl-diu-fb.c Timur Tabi 2012-10-16 1361
e95c17e9caff4b drivers/video/fsl-diu-fb.c Timur Tabi 2012-10-16 1362
if (copy_from_user(data->gamma, buf, sizeof(data->gamma)))
e95c17e9caff4b drivers/video/fsl-diu-fb.c Timur Tabi 2012-10-16 1363
return -EFAULT;
e95c17e9caff4b drivers/video/fsl-diu-fb.c Timur Tabi 2012-10-16 1364
setbits32(&data->diu_reg->gamma, 0); /* Force table reload */
e95c17e9caff4b drivers/video/fsl-diu-fb.c Timur Tabi 2012-10-16 1365
break;
e95c17e9caff4b drivers/video/fsl-diu-fb.c Timur Tabi 2012-10-16 1366 }
e95c17e9caff4b drivers/video/fsl-diu-fb.c Timur Tabi 2012-10-16 1367 case
MFB_GET_GAMMA: {
e95c17e9caff4b drivers/video/fsl-diu-fb.c Timur Tabi 2012-10-16 1368
struct fsl_diu_data *data = mfbi->parent;
e95c17e9caff4b drivers/video/fsl-diu-fb.c Timur Tabi 2012-10-16 1369
e95c17e9caff4b drivers/video/fsl-diu-fb.c Timur Tabi 2012-10-16 1370
if (copy_to_user(buf, data->gamma, sizeof(data->gamma)))
e95c17e9caff4b drivers/video/fsl-diu-fb.c Timur Tabi 2012-10-16 1371
return -EFAULT;
e95c17e9caff4b drivers/video/fsl-diu-fb.c Timur Tabi 2012-10-16 1372
break;
e95c17e9caff4b drivers/video/fsl-diu-fb.c Timur Tabi 2012-10-16 1373 }
e95c17e9caff4b drivers/video/fsl-diu-fb.c Timur Tabi 2012-10-16 1374 #endif
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1375 default:
154152aeea2c5e drivers/video/fsl-diu-fb.c Timur Tabi 2011-09-15 1376
dev_err(info->dev, "unknown ioctl command (0x%08X)\n", cmd);
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1377
return -ENOIOCTLCMD;
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1378 }
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1379
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1380 return
0;
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1381 }
9b53a9e28a34ed drivers/video/fsl-diu-fb.c York Sun 2008-04-28 1382
:::::: The code at line 1287 was first introduced by commit
:::::: 36b0b1d41541fc3b25faf38aa53c34cede357421 drivers/video: fsl-diu-fb: fix
some ioctls
:::::: TO: Timur Tabi <ti...@freescale.com>
:::::: CC: Florian Tobias Schandinat <florianschandi...@gmx.de>
---
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https://lists.01.org/pipermail/kbuild-all Intel Corporation
.config.gz
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