tree: https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git for-linus head: 8c6e31b25e15da191e3f2dafe3223f0eadc2db7f commit: d710684b7e2ee5500b6ced18f69fbb05c05cad60 [17/20] ALSA: seq: Allow the tristate build of OSS emulation reproduce: # apt-get install sparse git checkout d710684b7e2ee5500b6ced18f69fbb05c05cad60 make ARCH=x86_64 allmodconfig make C=1 CF=-D__CHECK_ENDIAN__

sparse warnings: (new ones prefixed by >>)

include/linux/compiler.h:264:8: sparse: attribute 'no_sanitize_address': unknown attribute sound/drivers/opl3/opl3_oss.c:172:12: sparse: using member 'private_data' in incomplete struct snd_seq_oss_arg sound/drivers/opl3/opl3_oss.c:173:12: sparse: using member 'addr' in incomplete struct snd_seq_oss_arg sound/drivers/opl3/opl3_oss.c:174:12: sparse: using member 'addr' in incomplete struct snd_seq_oss_arg sound/drivers/opl3/opl3_oss.c:190:19: sparse: using member 'private_data' in incomplete struct snd_seq_oss_arg sound/drivers/opl3/opl3_oss.c:254:19: sparse: using member 'private_data' in incomplete struct snd_seq_oss_arg sound/drivers/opl3/opl3_oss.c:256:22: sparse: undefined identifier 'SNDCTL_FM_LOAD_INSTR' sound/drivers/opl3/opl3_oss.c:262:22: sparse: undefined identifier 'SNDCTL_SYNTH_MEMAVL' sound/drivers/opl3/opl3_oss.c:265:22: sparse: undefined identifier 'SNDCTL_FM_4OP_ENABLE'

...

sound/drivers/opl3/opl3_oss.c:256:22: sparse: incompatible types for 'case' statement

sound/drivers/opl3/opl3_oss.c:262:22: sparse: incompatible types for 'case' statement sound/drivers/opl3/opl3_oss.c:265:22: sparse: incompatible types for 'case' statement sound/drivers/opl3/opl3_oss.c:213:19: sparse: using member 'private_data' in incomplete struct snd_seq_oss_arg sound/drivers/opl3/opl3_oss.c:215:23: sparse: undefined identifier 'FM_PATCH' sound/drivers/opl3/opl3_oss.c:217:28: sparse: undefined identifier 'OPL3_PATCH' sound/drivers/opl3/opl3_oss.c:229:16: sparse: using member 'channel' in incomplete struct sbi_instrument sound/drivers/opl3/opl3_oss.c:230:17: sparse: using member 'channel' in incomplete struct sbi_instrument sound/drivers/opl3/opl3_oss.c:236:36: sparse: using member 'channel' in incomplete struct sbi_instrument sound/drivers/opl3/opl3_oss.c:238:44: sparse: using member 'channel' in incomplete struct sbi_instrument sound/drivers/opl3/opl3_oss.c:282:19: sparse: using member 'private_data' in incomplete struct snd_seq_oss_arg sound/drivers/opl3/opl3_oss.c:49:10: sparse: unknown field name in initializer sound/drivers/opl3/opl3_oss.c:50:10: sparse: unknown field name in initializer sound/drivers/opl3/opl3_oss.c:51:10: sparse: unknown field name in initializer sound/drivers/opl3/opl3_oss.c:52:10: sparse: unknown field name in initializer sound/drivers/opl3/opl3_oss.c:53:10: sparse: unknown field name in initializer sound/drivers/opl3/opl3_oss.c:54:10: sparse: unknown field name in initializer sound/drivers/opl3/opl3_oss.c:63:59: sparse: no member 'oss_chset' in struct snd_opl3 sound/drivers/opl3/opl3_oss.c:73:39: sparse: no member 'oss_chset' in struct snd_opl3 sound/drivers/opl3/opl3_oss.c:84:13: sparse: no member 'oss_chset' in struct snd_opl3 sound/drivers/opl3/opl3_oss.c:85:17: sparse: no member 'oss_chset' in struct snd_opl3 sound/drivers/opl3/opl3_oss.c:87:13: sparse: no member 'oss_chset' in struct snd_opl3 sound/drivers/opl3/opl3_oss.c:98:13: sparse: no member 'oss_chset' in struct snd_opl3 sound/drivers/opl3/opl3_oss.c:99:13: sparse: no member 'oss_chset' in struct snd_opl3 sound/drivers/opl3/opl3_oss.c:107:17: sparse: no member 'oss_chset' in struct snd_opl3 sound/drivers/opl3/opl3_oss.c:109:28: sparse: no member 'oss_chset' in struct snd_opl3 sound/drivers/opl3/opl3_oss.c:110:47: sparse: no member 'oss_chset' in struct snd_opl3 sound/drivers/opl3/opl3_oss.c:124:47: sparse: undefined identifier 'SNDRV_SEQ_DEV_ID_OSS' sound/drivers/opl3/opl3_oss.c:128:13: sparse: no member 'oss_seq_dev' in struct snd_opl3 sound/drivers/opl3/opl3_oss.c:131:12: sparse: using member 'type' in incomplete struct snd_seq_oss_reg sound/drivers/opl3/opl3_oss.c:133:20: sparse: using member 'subtype' in incomplete struct snd_seq_oss_reg sound/drivers/opl3/opl3_oss.c:134:20: sparse: using member 'nvoices' in incomplete struct snd_seq_oss_reg sound/drivers/opl3/opl3_oss.c:136:20: sparse: using member 'subtype' in incomplete struct snd_seq_oss_reg sound/drivers/opl3/opl3_oss.c:137:20: sparse: using member 'nvoices' in incomplete struct snd_seq_oss_reg sound/drivers/opl3/opl3_oss.c:139:12: sparse: using member 'oper' in incomplete struct snd_seq_oss_reg sound/drivers/opl3/opl3_oss.c:140:12: sparse: using member 'private_data' in incomplete struct snd_seq_oss_reg sound/drivers/opl3/opl3_oss.c:151:17: sparse: no member 'oss_seq_dev' in struct snd_opl3 sound/drivers/opl3/opl3_oss.c:153:21: sparse: no member 'oss_seq_dev' in struct snd_opl3 sound/drivers/opl3/opl3_oss.c:256:22: sparse: Expected constant expression in case statement sound/drivers/opl3/opl3_oss.c:262:22: sparse: Expected constant expression in case statement sound/drivers/opl3/opl3_oss.c:265:22: sparse: Expected constant expression in case statement sound/drivers/opl3/opl3_oss.c:24:41: warning: 'struct snd_seq_oss_arg' declared inside parameter list will not be visible outside of this definition or declaration static int snd_opl3_open_seq_oss(struct snd_seq_oss_arg *arg, void *closure); ^~~~~~~~~~~~~~~ sound/drivers/opl3/opl3_oss.c:25:42: warning: 'struct snd_seq_oss_arg' declared inside parameter list will not be visible outside of this definition or declaration static int snd_opl3_close_seq_oss(struct snd_seq_oss_arg *arg); ^~~~~~~~~~~~~~~ sound/drivers/opl3/opl3_oss.c:26:42: warning: 'struct snd_seq_oss_arg' declared inside parameter list will not be visible outside of this definition or declaration static int snd_opl3_ioctl_seq_oss(struct snd_seq_oss_arg *arg, unsigned int cmd, unsigned long ioarg); ^~~~~~~~~~~~~~~ sound/drivers/opl3/opl3_oss.c:27:47: warning: 'struct snd_seq_oss_arg' declared inside parameter list will not be visible outside of this definition or declaration static int snd_opl3_load_patch_seq_oss(struct snd_seq_oss_arg *arg, int format, const char __user *buf, int offs, int count); ^~~~~~~~~~~~~~~ sound/drivers/opl3/opl3_oss.c:28:42: warning: 'struct snd_seq_oss_arg' declared inside parameter list will not be visible outside of this definition or declaration static int snd_opl3_reset_seq_oss(struct snd_seq_oss_arg *arg); ^~~~~~~~~~~~~~~ sound/drivers/opl3/opl3_oss.c:48:15: error: variable 'oss_callback' has initializer but incomplete type static struct snd_seq_oss_callback oss_callback = { ^~~~~~~~~~~~~~~~~~~~ sound/drivers/opl3/opl3_oss.c:49:2: error: unknown field 'owner' specified in initializer .owner = THIS_MODULE, ^ In file included from sound/drivers/opl3/opl3_oss.c:21:0: include/linux/export.h:35:21: warning: excess elements in struct initializer #define THIS_MODULE (&__this_module) ^ sound/drivers/opl3/opl3_oss.c:49:12: note: in expansion of macro 'THIS_MODULE' .owner = THIS_MODULE, ^~~~~~~~~~~ include/linux/export.h:35:21: note: (near initialization for 'oss_callback') #define THIS_MODULE (&__this_module) ^ sound/drivers/opl3/opl3_oss.c:49:12: note: in expansion of macro 'THIS_MODULE' .owner = THIS_MODULE, ^~~~~~~~~~~ sound/drivers/opl3/opl3_oss.c:50:2: error: unknown field 'open' specified in initializer .open = snd_opl3_open_seq_oss, ^ sound/drivers/opl3/opl3_oss.c:50:11: warning: excess elements in struct initializer .open = snd_opl3_open_seq_oss, ^~~~~~~~~~~~~~~~~~~~~ sound/drivers/opl3/opl3_oss.c:50:11: note: (near initialization for 'oss_callback') sound/drivers/opl3/opl3_oss.c:51:2: error: unknown field 'close' specified in initializer .close = snd_opl3_close_seq_oss, ^ sound/drivers/opl3/opl3_oss.c:51:11: warning: excess elements in struct initializer .close = snd_opl3_close_seq_oss, ^~~~~~~~~~~~~~~~~~~~~~ sound/drivers/opl3/opl3_oss.c:51:11: note: (near initialization for 'oss_callback') sound/drivers/opl3/opl3_oss.c:52:2: error: unknown field 'ioctl' specified in initializer .ioctl = snd_opl3_ioctl_seq_oss, ^ sound/drivers/opl3/opl3_oss.c:52:11: warning: excess elements in struct initializer .ioctl = snd_opl3_ioctl_seq_oss, ^~~~~~~~~~~~~~~~~~~~~~ sound/drivers/opl3/opl3_oss.c:52:11: note: (near initialization for 'oss_callback') sound/drivers/opl3/opl3_oss.c:53:2: error: unknown field 'load_patch' specified in initializer .load_patch = snd_opl3_load_patch_seq_oss, ^ sound/drivers/opl3/opl3_oss.c:53:16: warning: excess elements in struct initializer .load_patch = snd_opl3_load_patch_seq_oss,

vim +/case +256 sound/drivers/opl3/opl3_oss.c

5e246b85 Takashi Iwai 2008-08-08 166 return -ENXIO; ^1da177e Linus Torvalds 2005-04-16 167 ^1da177e Linus Torvalds 2005-04-16 168 if ((err = snd_opl3_synth_setup(opl3)) < 0) ^1da177e Linus Torvalds 2005-04-16 169 return err; ^1da177e Linus Torvalds 2005-04-16 170 ^1da177e Linus Torvalds 2005-04-16 171 /* fill the argument data */ ^1da177e Linus Torvalds 2005-04-16 @172 arg->private_data = opl3; ^1da177e Linus Torvalds 2005-04-16 173 arg->addr.client = opl3->oss_chset->client; ^1da177e Linus Torvalds 2005-04-16 174 arg->addr.port = opl3->oss_chset->port; ^1da177e Linus Torvalds 2005-04-16 175 ^1da177e Linus Torvalds 2005-04-16 176 if ((err = snd_opl3_synth_use_inc(opl3)) < 0) ^1da177e Linus Torvalds 2005-04-16 177 return err; ^1da177e Linus Torvalds 2005-04-16 178 ^1da177e Linus Torvalds 2005-04-16 179 opl3->synth_mode = SNDRV_OPL3_MODE_SYNTH; ^1da177e Linus Torvalds 2005-04-16 180 return 0; ^1da177e Linus Torvalds 2005-04-16 181 } ^1da177e Linus Torvalds 2005-04-16 182 ^1da177e Linus Torvalds 2005-04-16 183 /* close OSS sequencer */ 5b1646a8 Takashi Iwai 2005-11-17 184 static int snd_opl3_close_seq_oss(struct snd_seq_oss_arg *arg) ^1da177e Linus Torvalds 2005-04-16 185 { 5b1646a8 Takashi Iwai 2005-11-17 186 struct snd_opl3 *opl3; ^1da177e Linus Torvalds 2005-04-16 187 5e246b85 Takashi Iwai 2008-08-08 188 if (snd_BUG_ON(!arg)) 5e246b85 Takashi Iwai 2008-08-08 189 return -ENXIO; ^1da177e Linus Torvalds 2005-04-16 190 opl3 = arg->private_data; ^1da177e Linus Torvalds 2005-04-16 191 ^1da177e Linus Torvalds 2005-04-16 192 snd_opl3_synth_cleanup(opl3); ^1da177e Linus Torvalds 2005-04-16 193 ^1da177e Linus Torvalds 2005-04-16 194 snd_opl3_synth_use_dec(opl3); ^1da177e Linus Torvalds 2005-04-16 195 return 0; ^1da177e Linus Torvalds 2005-04-16 196 } ^1da177e Linus Torvalds 2005-04-16 197 ^1da177e Linus Torvalds 2005-04-16 198 /* load patch */ ^1da177e Linus Torvalds 2005-04-16 199 ^1da177e Linus Torvalds 2005-04-16 200 /* from sound_config.h */ ^1da177e Linus Torvalds 2005-04-16 201 #define SBFM_MAXINSTR 256 ^1da177e Linus Torvalds 2005-04-16 202 5b1646a8 Takashi Iwai 2005-11-17 203 static int snd_opl3_load_patch_seq_oss(struct snd_seq_oss_arg *arg, int format, ^1da177e Linus Torvalds 2005-04-16 204 const char __user *buf, int offs, int count) ^1da177e Linus Torvalds 2005-04-16 205 { 5b1646a8 Takashi Iwai 2005-11-17 206 struct snd_opl3 *opl3; 224a0332 Takashi Iwai 2007-10-30 207 struct sbi_instrument sbi; 224a0332 Takashi Iwai 2007-10-30 208 char name[32]; 224a0332 Takashi Iwai 2007-10-30 209 int err, type; ^1da177e Linus Torvalds 2005-04-16 210 5e246b85 Takashi Iwai 2008-08-08 211 if (snd_BUG_ON(!arg)) 5e246b85 Takashi Iwai 2008-08-08 212 return -ENXIO; ^1da177e Linus Torvalds 2005-04-16 213 opl3 = arg->private_data; ^1da177e Linus Torvalds 2005-04-16 214 224a0332 Takashi Iwai 2007-10-30 215 if (format == FM_PATCH) 224a0332 Takashi Iwai 2007-10-30 216 type = FM_PATCH_OPL2; 224a0332 Takashi Iwai 2007-10-30 217 else if (format == OPL3_PATCH) 224a0332 Takashi Iwai 2007-10-30 218 type = FM_PATCH_OPL3; 224a0332 Takashi Iwai 2007-10-30 219 else 224a0332 Takashi Iwai 2007-10-30 220 return -EINVAL; ^1da177e Linus Torvalds 2005-04-16 221 ^1da177e Linus Torvalds 2005-04-16 222 if (count < (int)sizeof(sbi)) { 45203832 Takashi Iwai 2009-02-05 223 snd_printk(KERN_ERR "FM Error: Patch record too short\n"); ^1da177e Linus Torvalds 2005-04-16 224 return -EINVAL; ^1da177e Linus Torvalds 2005-04-16 225 } ^1da177e Linus Torvalds 2005-04-16 226 if (copy_from_user(&sbi, buf, sizeof(sbi))) ^1da177e Linus Torvalds 2005-04-16 227 return -EFAULT; ^1da177e Linus Torvalds 2005-04-16 228 ^1da177e Linus Torvalds 2005-04-16 229 if (sbi.channel < 0 || sbi.channel >= SBFM_MAXINSTR) { 45203832 Takashi Iwai 2009-02-05 230 snd_printk(KERN_ERR "FM Error: Invalid instrument number %d\n", 224a0332 Takashi Iwai 2007-10-30 231 sbi.channel); ^1da177e Linus Torvalds 2005-04-16 232 return -EINVAL; ^1da177e Linus Torvalds 2005-04-16 233 } ^1da177e Linus Torvalds 2005-04-16 234 224a0332 Takashi Iwai 2007-10-30 235 memset(name, 0, sizeof(name)); 224a0332 Takashi Iwai 2007-10-30 236 sprintf(name, "Chan%d", sbi.channel); ^1da177e Linus Torvalds 2005-04-16 237 224a0332 Takashi Iwai 2007-10-30 238 err = snd_opl3_load_patch(opl3, sbi.channel, 127, type, name, NULL, 224a0332 Takashi Iwai 2007-10-30 239 sbi.operators); 224a0332 Takashi Iwai 2007-10-30 240 if (err < 0) ^1da177e Linus Torvalds 2005-04-16 241 return err; 224a0332 Takashi Iwai 2007-10-30 242 224a0332 Takashi Iwai 2007-10-30 243 return sizeof(sbi); ^1da177e Linus Torvalds 2005-04-16 244 } ^1da177e Linus Torvalds 2005-04-16 245 ^1da177e Linus Torvalds 2005-04-16 246 /* ioctl */ 5b1646a8 Takashi Iwai 2005-11-17 247 static int snd_opl3_ioctl_seq_oss(struct snd_seq_oss_arg *arg, unsigned int cmd, ^1da177e Linus Torvalds 2005-04-16 248 unsigned long ioarg) ^1da177e Linus Torvalds 2005-04-16 249 { 5b1646a8 Takashi Iwai 2005-11-17 250 struct snd_opl3 *opl3; ^1da177e Linus Torvalds 2005-04-16 251 5e246b85 Takashi Iwai 2008-08-08 252 if (snd_BUG_ON(!arg)) 5e246b85 Takashi Iwai 2008-08-08 253 return -ENXIO; ^1da177e Linus Torvalds 2005-04-16 254 opl3 = arg->private_data; ^1da177e Linus Torvalds 2005-04-16 255 switch (cmd) { ^1da177e Linus Torvalds 2005-04-16 @256 case SNDCTL_FM_LOAD_INSTR: 45203832 Takashi Iwai 2009-02-05 257 snd_printk(KERN_ERR "OPL3: " 45203832 Takashi Iwai 2009-02-05 258 "Obsolete ioctl(SNDCTL_FM_LOAD_INSTR) used. " 45203832 Takashi Iwai 2009-02-05 259 "Fix the program.\n");

:::::: The code at line 256 was first introduced by commit :::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2

:::::: TO: Linus Torvalds torvalds@ppc970.osdl.org :::::: CC: Linus Torvalds torvalds@ppc970.osdl.org

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