Hi Arnd,
On 26 April 2018 at 17:20, kbuild test robot lkp@intel.com 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... 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;