Hi Arnd, On 26 April 2018 at 17:20, kbuild test robot <lkp@xxxxxxxxx> wrote: > Hi Baolin, > > I love your patch! Perhaps something to improve: > > [auto build test WARNING on v4.17-rc2] > [cannot apply to sound/for-next asoc/for-next arm-soc/for-next next-20180426] > [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] > > url: https://github.com/0day-ci/linux/commits/Baolin-Wang/Fix-year-2038-issue-for-sound-subsystem/20180426-010145 > reproduce: > # apt-get install sparse > make ARCH=x86_64 allmodconfig > make C=1 CF=-D__CHECK_ENDIAN__ > > > sparse warnings: (new ones prefixed by >>) > > sound/core/pcm_native.c:561:51: sparse: incorrect type in assignment (different base types) @@ expected restricted snd_pcm_state_t [usertype] state @@ got t [usertype] state @@ > sound/core/pcm_native.c:561:51: expected restricted snd_pcm_state_t [usertype] state > sound/core/pcm_native.c:561:51: got int [signed] state > sound/core/pcm_native.c:726:38: sparse: incorrect type in argument 2 (different base types) @@ expected int [signed] state @@ got restricted snd_pcm_state_int [signed] state @@ > sound/core/pcm_native.c:726:38: expected int [signed] state > sound/core/pcm_native.c:726:38: got restricted snd_pcm_state_t [usertype] <noident> > sound/core/pcm_native.c:738:38: sparse: incorrect type in argument 2 (different base types) @@ expected int [signed] state @@ got restricted snd_pcm_state_int [signed] state @@ > sound/core/pcm_native.c:738:38: expected int [signed] state > sound/core/pcm_native.c:738:38: got restricted snd_pcm_state_t [usertype] <noident> > sound/core/pcm_native.c:787:38: sparse: incorrect type in argument 2 (different base types) @@ expected int [signed] state @@ got restricted snd_pcm_state_int [signed] state @@ > sound/core/pcm_native.c:787:38: expected int [signed] state > sound/core/pcm_native.c:787:38: got restricted snd_pcm_state_t [usertype] <noident> >>> sound/core/pcm_native.c:995:34: sparse: incorrect type in initializer (different base types) @@ expected signed int [signed] [usertype] [explicitly-signed] state @@ got restricted ssigned int [signed] [usertype] [explicitly-signed] state @@ > sound/core/pcm_native.c:995:34: expected signed int [signed] [usertype] [explicitly-signed] state > sound/core/pcm_native.c:995:34: got restricted snd_pcm_state_t [addressable] [assigned] [usertype] state >>> sound/core/pcm_native.c:1006:44: sparse: incorrect type in initializer (different base types) @@ expected signed int [signed] [usertype] [explicitly-signed] suspended_state @@ got restricted ssigned int [signed] [usertype] [explicitly-signed] suspended_state @@ > sound/core/pcm_native.c:1006:44: expected signed int [signed] [usertype] [explicitly-signed] suspended_state > sound/core/pcm_native.c:1006:44: got restricted snd_pcm_state_t [addressable] [assigned] [usertype] suspended_state > sound/core/pcm_native.c:1259:32: sparse: incorrect type in assignment (different base types) @@ expected restricted snd_pcm_state_t [usertype] state @@ got t [usertype] state @@ > sound/core/pcm_native.c:1259:32: expected restricted snd_pcm_state_t [usertype] state > sound/core/pcm_native.c:1259:32: got int [signed] state > sound/core/pcm_native.c:1283:31: sparse: incorrect type in argument 3 (different base types) @@ expected int [signed] state @@ got restricted snd_pcm_state_int [signed] state @@ > sound/core/pcm_native.c:1283:31: expected int [signed] state > sound/core/pcm_native.c:1283:31: got restricted snd_pcm_state_t [usertype] <noident> > sound/core/pcm_native.c:1290:40: sparse: incorrect type in argument 3 (different base types) @@ expected int [signed] state @@ got restricted snd_pcm_state_int [signed] state @@ > sound/core/pcm_native.c:1290:40: expected int [signed] state > sound/core/pcm_native.c:1290:40: got restricted snd_pcm_state_t [usertype] <noident> > sound/core/pcm_native.c:1316:28: sparse: restricted snd_pcm_state_t degrades to integer > sound/core/pcm_native.c:1318:40: sparse: incorrect type in assignment (different base types) @@ expected restricted snd_pcm_state_t [usertype] state @@ got t [usertype] state @@ > sound/core/pcm_native.c:1318:40: expected restricted snd_pcm_state_t [usertype] state > sound/core/pcm_native.c:1318:40: got int [signed] state > sound/core/pcm_native.c:1342:64: sparse: incorrect type in argument 3 (different base types) @@ expected int [signed] state @@ got restricted snd_pcm_state_int [signed] state @@ > sound/core/pcm_native.c:1342:64: expected int [signed] state > sound/core/pcm_native.c:1342:64: got restricted snd_pcm_state_t [usertype] state > sound/core/pcm_native.c:1358:38: sparse: incorrect type in argument 3 (different base types) @@ expected int [signed] state @@ got restricted snd_pcm_state_int [signed] state @@ > sound/core/pcm_native.c:1358:38: expected int [signed] state > sound/core/pcm_native.c:1358:38: got restricted snd_pcm_state_t [usertype] <noident> > sound/core/pcm_native.c:1717:38: sparse: incorrect type in argument 2 (different base types) @@ expected int [signed] state @@ got restricted snd_pcm_state_int [signed] state @@ > sound/core/pcm_native.c:1717:38: expected int [signed] state > sound/core/pcm_native.c:1717:38: got restricted snd_pcm_state_t [usertype] <noident> > sound/core/pcm_native.c:1783:61: sparse: incorrect type in argument 2 (different base types) @@ expected int [signed] state @@ got restricted snd_pcm_state_int [signed] state @@ > sound/core/pcm_native.c:1783:61: expected int [signed] state > sound/core/pcm_native.c:1783:61: got restricted snd_pcm_state_t [usertype] <noident> > sound/core/pcm_native.c:1784:63: sparse: incorrect type in argument 2 (different base types) @@ expected int [signed] state @@ got restricted snd_pcm_state_int [signed] state @@ > sound/core/pcm_native.c:1784:63: expected int [signed] state > sound/core/pcm_native.c:1784:63: got restricted snd_pcm_state_t [usertype] <noident> > sound/core/pcm_native.c:1801:76: sparse: incorrect type in initializer (different base types) @@ expected int [signed] new_state @@ got restricted snint [signed] new_state @@ > sound/core/pcm_native.c:1801:76: expected int [signed] new_state > sound/core/pcm_native.c:1801:76: got restricted snd_pcm_state_t > sound/core/pcm_native.c:1904:40: sparse: expression using sizeof(void) > sound/core/pcm_native.c:1904:40: sparse: expression using sizeof(void) > sound/core/pcm_native.c:2122:26: sparse: restricted snd_pcm_format_t degrades to integer > sound/core/pcm_native.c:2126:54: sparse: incorrect type in argument 1 (different base types) @@ expected restricted snd_pcm_format_t [usertype] format @@ got ricted snd_pcm_format_t [usertype] format @@ > sound/core/pcm_native.c:2126:54: expected restricted snd_pcm_format_t [usertype] format > sound/core/pcm_native.c:2126:54: got unsigned int [unsigned] [assigned] k > sound/core/pcm_native.c:2144:26: sparse: restricted snd_pcm_format_t degrades to integer > sound/core/pcm_native.c:2148:54: sparse: incorrect type in argument 1 (different base types) @@ expected restricted snd_pcm_format_t [usertype] format @@ got ricted snd_pcm_format_t [usertype] format @@ > sound/core/pcm_native.c:2148:54: expected restricted snd_pcm_format_t [usertype] format > sound/core/pcm_native.c:2148:54: got unsigned int [unsigned] [assigned] k > sound/core/pcm_native.c:2328:30: sparse: restricted snd_pcm_access_t degrades to integer > sound/core/pcm_native.c:2330:30: sparse: restricted snd_pcm_access_t degrades to integer > sound/core/pcm_native.c:2333:38: sparse: restricted snd_pcm_access_t degrades to integer > sound/core/pcm_native.c:2335:38: sparse: restricted snd_pcm_access_t degrades to integer > sound/core/pcm_native.c:2337:38: sparse: restricted snd_pcm_access_t degrades to integer > sound/core/pcm_native.c:2347:86: sparse: restricted snd_pcm_subformat_t degrades to integer > include/sound/pcm.h:1093:47: sparse: cast removes address space of expression > include/sound/pcm.h:1100:47: sparse: cast removes address space of expression > include/sound/pcm.h:1100:47: sparse: cast removes address space of expression > include/sound/pcm.h:1093:47: sparse: cast removes address space of expression > sound/core/pcm_compat.c:241:32: sparse: incorrect type in initializer (different base types) @@ expected signed int [signed] [usertype] [explicitly-signed] state @@ got restricted ssigned int [signed] [usertype] [explicitly-signed] state @@ > sound/core/pcm_compat.c:241:32: expected signed int [signed] [usertype] [explicitly-signed] state > sound/core/pcm_compat.c:241:32: got restricted snd_pcm_state_t [addressable] [assigned] [usertype] state > sound/core/pcm_compat.c:252:42: sparse: incorrect type in initializer (different base types) @@ expected signed int [signed] [usertype] [explicitly-signed] suspended_state @@ got restricted ssigned int [signed] [usertype] [explicitly-signed] suspended_state @@ > sound/core/pcm_compat.c:252:42: expected signed int [signed] [usertype] [explicitly-signed] suspended_state > sound/core/pcm_compat.c:252:42: got restricted snd_pcm_state_t [addressable] [assigned] [usertype] suspended_state > include/sound/pcm.h:1093:47: sparse: cast removes address space of expression > include/sound/pcm.h:1100:47: sparse: cast removes address space of expression > sound/core/pcm_compat.c:480:13: sparse: incorrect type in assignment (different base types) @@ expected signed int [signed] [explicitly-signed] __pu_val @@ got restrictesigned int [signed] [explicitly-signed] __pu_val @@ > sound/core/pcm_compat.c:480:13: expected signed int [signed] [explicitly-signed] __pu_val > sound/core/pcm_compat.c:480:13: got restricted snd_pcm_state_t [assigned] [usertype] state > sound/core/pcm_compat.c:483:13: sparse: incorrect type in assignment (different base types) @@ expected signed int [signed] [explicitly-signed] __pu_val @@ got restrictesigned int [signed] [explicitly-signed] __pu_val @@ > sound/core/pcm_compat.c:483:13: expected signed int [signed] [explicitly-signed] __pu_val > sound/core/pcm_compat.c:483:13: got restricted snd_pcm_state_t [assigned] [usertype] suspended_state > sound/core/pcm_compat.c:569:13: sparse: incorrect type in assignment (different base types) @@ expected signed int [signed] [explicitly-signed] __pu_val @@ got restrictesigned int [signed] [explicitly-signed] __pu_val @@ > sound/core/pcm_compat.c:569:13: expected signed int [signed] [explicitly-signed] __pu_val > sound/core/pcm_compat.c:569:13: got restricted snd_pcm_state_t [assigned] [usertype] state > sound/core/pcm_compat.c:572:13: sparse: incorrect type in assignment (different base types) @@ expected signed int [signed] [explicitly-signed] __pu_val @@ got restrictesigned int [signed] [explicitly-signed] __pu_val @@ > sound/core/pcm_compat.c:572:13: expected signed int [signed] [explicitly-signed] __pu_val > sound/core/pcm_compat.c:572:13: got restricted snd_pcm_state_t [assigned] [usertype] suspended_state > sound/core/pcm_native.c:112:9: sparse: context imbalance in 'snd_pcm_stream_lock' - different lock contexts for basic block > sound/core/pcm_native.c:134:28: sparse: context imbalance in 'snd_pcm_stream_unlock' - unexpected unlock > sound/core/pcm_native.c:1130:52: sparse: context imbalance in 'snd_pcm_action_group' - unexpected unlock > > vim +995 sound/core/pcm_native.c > > 971 > 972 static int snd_pcm_status_user32(struct snd_pcm_substream *substream, > 973 struct snd_pcm_status32 __user * _status, > 974 bool ext) > 975 { > 976 struct snd_pcm_status64 status64; > 977 struct snd_pcm_status32 status32; > 978 int res; > 979 > 980 memset(&status64, 0, sizeof(status64)); > 981 memset(&status32, 0, sizeof(status32)); > 982 /* > 983 * with extension, parameters are read/write, > 984 * get audio_tstamp_data from user, > 985 * ignore rest of status structure > 986 */ > 987 if (ext && get_user(status64.audio_tstamp_data, > 988 (u32 __user *)(&_status->audio_tstamp_data))) > 989 return -EFAULT; > 990 res = snd_pcm_status64(substream, &status64); > 991 if (res < 0) > 992 return res; > 993 > 994 status32 = (struct snd_pcm_status32) { > > 995 .state = status64.state, > 996 .trigger_tstamp_sec = status64.trigger_tstamp_sec, > 997 .trigger_tstamp_nsec = status64.trigger_tstamp_nsec, > 998 .tstamp_sec = status64.tstamp_sec, > 999 .tstamp_nsec = status64.tstamp_nsec, > 1000 .appl_ptr = status64.appl_ptr, > 1001 .hw_ptr = status64.hw_ptr, > 1002 .delay = status64.delay, > 1003 .avail = status64.avail, > 1004 .avail_max = status64.avail_max, > 1005 .overrange = status64.overrange, >> 1006 .suspended_state = status64.suspended_state, I am not sure for the warning here, we should change 'snd_pcm_state_t' to 's32' for struct snd_pcm_status64? typedef int __bitwise snd_pcm_state_t; -- Baolin.wang Best Regards _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel