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Message-ID: <202312201216.TX9GAOG6-lkp@intel.com>
Date: Wed, 20 Dec 2023 12:20:29 +0800
From: kernel test robot <lkp@...el.com>
To: Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
Takashi Iwai <tiwai@...e.de>
Subject: sound/core/pcm_native.c:2982:13: sparse: sparse: cast from
restricted snd_pcm_state_t
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 55cb5f43689d7a9ea5bf35ef050f12334f197347
commit: 46b770f720bdd8a7de1c04a1cab5d4e9e21d6666 ALSA: uapi: Fix sparse warning
date: 3 years, 11 months ago
config: alpha-randconfig-r123-20231116 (https://download.01.org/0day-ci/archive/20231220/202312201216.TX9GAOG6-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 13.2.0
reproduce: (https://download.01.org/0day-ci/archive/20231220/202312201216.TX9GAOG6-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/202312201216.TX9GAOG6-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
sound/core/pcm_native.c:558:51: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted snd_pcm_state_t [usertype] state @@ got int state @@
sound/core/pcm_native.c:558:51: sparse: expected restricted snd_pcm_state_t [usertype] state
sound/core/pcm_native.c:558:51: sparse: got int state
sound/core/pcm_native.c:748:38: sparse: sparse: incorrect type in argument 2 (different base types) @@ expected int state @@ got restricted snd_pcm_state_t [usertype] @@
sound/core/pcm_native.c:748:38: sparse: expected int state
sound/core/pcm_native.c:748:38: sparse: got restricted snd_pcm_state_t [usertype]
sound/core/pcm_native.c:760:38: sparse: sparse: incorrect type in argument 2 (different base types) @@ expected int state @@ got restricted snd_pcm_state_t [usertype] @@
sound/core/pcm_native.c:760:38: sparse: expected int state
sound/core/pcm_native.c:760:38: sparse: got restricted snd_pcm_state_t [usertype]
sound/core/pcm_native.c:814:38: sparse: sparse: incorrect type in argument 2 (different base types) @@ expected int state @@ got restricted snd_pcm_state_t [usertype] @@
sound/core/pcm_native.c:814:38: sparse: expected int state
sound/core/pcm_native.c:814:38: sparse: got restricted snd_pcm_state_t [usertype]
sound/core/pcm_native.c:1022:34: sparse: sparse: incorrect type in initializer (different base types) @@ expected signed int [usertype] state @@ got restricted snd_pcm_state_t [addressable] [assigned] [usertype] state @@
sound/core/pcm_native.c:1022:34: sparse: expected signed int [usertype] state
sound/core/pcm_native.c:1022:34: sparse: got restricted snd_pcm_state_t [addressable] [assigned] [usertype] state
sound/core/pcm_native.c:1033:44: sparse: sparse: incorrect type in initializer (different base types) @@ expected signed int [usertype] suspended_state @@ got restricted snd_pcm_state_t [addressable] [assigned] [usertype] suspended_state @@
sound/core/pcm_native.c:1033:44: sparse: expected signed int [usertype] suspended_state
sound/core/pcm_native.c:1033:44: sparse: got restricted snd_pcm_state_t [addressable] [assigned] [usertype] suspended_state
sound/core/pcm_native.c:1335:32: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted snd_pcm_state_t [usertype] state @@ got int state @@
sound/core/pcm_native.c:1335:32: sparse: expected restricted snd_pcm_state_t [usertype] state
sound/core/pcm_native.c:1335:32: sparse: got int state
sound/core/pcm_native.c:1359:31: sparse: sparse: incorrect type in argument 3 (different base types) @@ expected int state @@ got restricted snd_pcm_state_t [usertype] @@
sound/core/pcm_native.c:1359:31: sparse: expected int state
sound/core/pcm_native.c:1359:31: sparse: got restricted snd_pcm_state_t [usertype]
sound/core/pcm_native.c:1366:40: sparse: sparse: incorrect type in argument 3 (different base types) @@ expected int state @@ got restricted snd_pcm_state_t [usertype] @@
sound/core/pcm_native.c:1366:40: sparse: expected int state
sound/core/pcm_native.c:1366:40: sparse: got restricted snd_pcm_state_t [usertype]
sound/core/pcm_native.c:1392:28: sparse: sparse: restricted snd_pcm_state_t degrades to integer
sound/core/pcm_native.c:1394:40: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted snd_pcm_state_t [usertype] state @@ got int state @@
sound/core/pcm_native.c:1394:40: sparse: expected restricted snd_pcm_state_t [usertype] state
sound/core/pcm_native.c:1394:40: sparse: got int state
sound/core/pcm_native.c:1419:64: sparse: sparse: incorrect type in argument 3 (different base types) @@ expected int state @@ got restricted snd_pcm_state_t [usertype] state @@
sound/core/pcm_native.c:1419:64: sparse: expected int state
sound/core/pcm_native.c:1419:64: sparse: got restricted snd_pcm_state_t [usertype] state
sound/core/pcm_native.c:1435:38: sparse: sparse: incorrect type in argument 3 (different base types) @@ expected int state @@ got restricted snd_pcm_state_t [usertype] @@
sound/core/pcm_native.c:1435:38: sparse: expected int state
sound/core/pcm_native.c:1435:38: sparse: got restricted snd_pcm_state_t [usertype]
sound/core/pcm_native.c:1806:38: sparse: sparse: incorrect type in argument 2 (different base types) @@ expected int state @@ got restricted snd_pcm_state_t [usertype] @@
sound/core/pcm_native.c:1806:38: sparse: expected int state
sound/core/pcm_native.c:1806:38: sparse: got restricted snd_pcm_state_t [usertype]
sound/core/pcm_native.c:1872:61: sparse: sparse: incorrect type in argument 2 (different base types) @@ expected int state @@ got restricted snd_pcm_state_t [usertype] @@
sound/core/pcm_native.c:1872:61: sparse: expected int state
sound/core/pcm_native.c:1872:61: sparse: got restricted snd_pcm_state_t [usertype]
sound/core/pcm_native.c:1873:63: sparse: sparse: incorrect type in argument 2 (different base types) @@ expected int state @@ got restricted snd_pcm_state_t [usertype] @@
sound/core/pcm_native.c:1873:63: sparse: expected int state
sound/core/pcm_native.c:1873:63: sparse: got restricted snd_pcm_state_t [usertype]
sound/core/pcm_native.c:1890:76: sparse: sparse: incorrect type in initializer (different base types) @@ expected int new_state @@ got restricted snd_pcm_state_t @@
sound/core/pcm_native.c:1890:76: sparse: expected int new_state
sound/core/pcm_native.c:1890:76: sparse: got restricted snd_pcm_state_t
sound/core/pcm_native.c:2237:26: sparse: sparse: restricted snd_pcm_format_t degrades to integer
sound/core/pcm_native.c:2241:54: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected restricted snd_pcm_format_t [usertype] format @@ got unsigned int [assigned] k @@
sound/core/pcm_native.c:2241:54: sparse: expected restricted snd_pcm_format_t [usertype] format
sound/core/pcm_native.c:2241:54: sparse: got unsigned int [assigned] k
sound/core/pcm_native.c:2259:26: sparse: sparse: restricted snd_pcm_format_t degrades to integer
sound/core/pcm_native.c:2263:54: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected restricted snd_pcm_format_t [usertype] format @@ got unsigned int [assigned] k @@
sound/core/pcm_native.c:2263:54: sparse: expected restricted snd_pcm_format_t [usertype] format
sound/core/pcm_native.c:2263:54: sparse: got unsigned int [assigned] k
sound/core/pcm_native.c:2443:30: sparse: sparse: restricted snd_pcm_access_t degrades to integer
sound/core/pcm_native.c:2445:30: sparse: sparse: restricted snd_pcm_access_t degrades to integer
sound/core/pcm_native.c:2448:38: sparse: sparse: restricted snd_pcm_access_t degrades to integer
sound/core/pcm_native.c:2450:38: sparse: sparse: restricted snd_pcm_access_t degrades to integer
sound/core/pcm_native.c:2452:38: sparse: sparse: restricted snd_pcm_access_t degrades to integer
sound/core/pcm_native.c:2462:86: sparse: sparse: restricted snd_pcm_subformat_t degrades to integer
>> sound/core/pcm_native.c:2982:13: sparse: sparse: cast from restricted snd_pcm_state_t
>> sound/core/pcm_native.c:2982:13: sparse: sparse: cast from restricted snd_pcm_state_t
>> sound/core/pcm_native.c:2982:13: sparse: sparse: cast from restricted snd_pcm_state_t
>> sound/core/pcm_native.c:2982:13: sparse: sparse: cast from restricted snd_pcm_state_t
sound/core/pcm_native.c:2986:13: sparse: sparse: cast from restricted snd_pcm_state_t
sound/core/pcm_native.c:2986:13: sparse: sparse: cast from restricted snd_pcm_state_t
sound/core/pcm_native.c:2986:13: sparse: sparse: cast from restricted snd_pcm_state_t
sound/core/pcm_native.c:2986:13: sparse: sparse: cast from restricted snd_pcm_state_t
sound/core/pcm_native.c:95:1: sparse: sparse: context imbalance in 'snd_pcm_group_lock' - different lock contexts for basic block
sound/core/pcm_native.c:96:1: sparse: sparse: context imbalance in 'snd_pcm_group_unlock' - unexpected unlock
sound/core/pcm_native.c:97:1: sparse: sparse: context imbalance in 'snd_pcm_group_lock_irq' - different lock contexts for basic block
sound/core/pcm_native.c:98:1: sparse: sparse: context imbalance in 'snd_pcm_group_unlock_irq' - unexpected unlock
sound/core/pcm_native.c:161:9: sparse: sparse: context imbalance in '_snd_pcm_stream_lock_irqsave' - different lock contexts for basic block
sound/core/pcm_native.c:178:39: sparse: sparse: context imbalance in 'snd_pcm_stream_unlock_irqrestore' - unexpected unlock
sound/core/pcm_native.c:1157:52: sparse: sparse: context imbalance in 'snd_pcm_action_group' - unexpected unlock
sound/core/pcm_native.c:1244:9: sparse: sparse: context imbalance in 'snd_pcm_stream_group_ref' - different lock contexts for basic block
vim +2982 sound/core/pcm_native.c
09d94175dbeac1 Arnd Bergmann 2018-04-24 2936
09d94175dbeac1 Arnd Bergmann 2018-04-24 2937 static int snd_pcm_ioctl_sync_ptr_compat(struct snd_pcm_substream *substream,
09d94175dbeac1 Arnd Bergmann 2018-04-24 2938 struct snd_pcm_sync_ptr32 __user *src)
09d94175dbeac1 Arnd Bergmann 2018-04-24 2939 {
09d94175dbeac1 Arnd Bergmann 2018-04-24 2940 struct snd_pcm_runtime *runtime = substream->runtime;
09d94175dbeac1 Arnd Bergmann 2018-04-24 2941 volatile struct snd_pcm_mmap_status *status;
09d94175dbeac1 Arnd Bergmann 2018-04-24 2942 volatile struct snd_pcm_mmap_control *control;
09d94175dbeac1 Arnd Bergmann 2018-04-24 2943 u32 sflags;
09d94175dbeac1 Arnd Bergmann 2018-04-24 2944 struct snd_pcm_mmap_control scontrol;
09d94175dbeac1 Arnd Bergmann 2018-04-24 2945 struct snd_pcm_mmap_status sstatus;
09d94175dbeac1 Arnd Bergmann 2018-04-24 2946 snd_pcm_uframes_t boundary;
09d94175dbeac1 Arnd Bergmann 2018-04-24 2947 int err;
09d94175dbeac1 Arnd Bergmann 2018-04-24 2948
09d94175dbeac1 Arnd Bergmann 2018-04-24 2949 if (snd_BUG_ON(!runtime))
09d94175dbeac1 Arnd Bergmann 2018-04-24 2950 return -EINVAL;
09d94175dbeac1 Arnd Bergmann 2018-04-24 2951
09d94175dbeac1 Arnd Bergmann 2018-04-24 2952 if (get_user(sflags, &src->flags) ||
09d94175dbeac1 Arnd Bergmann 2018-04-24 2953 get_user(scontrol.appl_ptr, &src->c.control.appl_ptr) ||
09d94175dbeac1 Arnd Bergmann 2018-04-24 2954 get_user(scontrol.avail_min, &src->c.control.avail_min))
09d94175dbeac1 Arnd Bergmann 2018-04-24 2955 return -EFAULT;
09d94175dbeac1 Arnd Bergmann 2018-04-24 2956 if (sflags & SNDRV_PCM_SYNC_PTR_HWSYNC) {
09d94175dbeac1 Arnd Bergmann 2018-04-24 2957 err = snd_pcm_hwsync(substream);
09d94175dbeac1 Arnd Bergmann 2018-04-24 2958 if (err < 0)
09d94175dbeac1 Arnd Bergmann 2018-04-24 2959 return err;
09d94175dbeac1 Arnd Bergmann 2018-04-24 2960 }
09d94175dbeac1 Arnd Bergmann 2018-04-24 2961 status = runtime->status;
09d94175dbeac1 Arnd Bergmann 2018-04-24 2962 control = runtime->control;
09d94175dbeac1 Arnd Bergmann 2018-04-24 2963 boundary = recalculate_boundary(runtime);
09d94175dbeac1 Arnd Bergmann 2018-04-24 2964 if (! boundary)
09d94175dbeac1 Arnd Bergmann 2018-04-24 2965 boundary = 0x7fffffff;
09d94175dbeac1 Arnd Bergmann 2018-04-24 2966 snd_pcm_stream_lock_irq(substream);
09d94175dbeac1 Arnd Bergmann 2018-04-24 2967 /* FIXME: we should consider the boundary for the sync from app */
09d94175dbeac1 Arnd Bergmann 2018-04-24 2968 if (!(sflags & SNDRV_PCM_SYNC_PTR_APPL))
09d94175dbeac1 Arnd Bergmann 2018-04-24 2969 control->appl_ptr = scontrol.appl_ptr;
09d94175dbeac1 Arnd Bergmann 2018-04-24 2970 else
09d94175dbeac1 Arnd Bergmann 2018-04-24 2971 scontrol.appl_ptr = control->appl_ptr % boundary;
09d94175dbeac1 Arnd Bergmann 2018-04-24 2972 if (!(sflags & SNDRV_PCM_SYNC_PTR_AVAIL_MIN))
09d94175dbeac1 Arnd Bergmann 2018-04-24 2973 control->avail_min = scontrol.avail_min;
09d94175dbeac1 Arnd Bergmann 2018-04-24 2974 else
09d94175dbeac1 Arnd Bergmann 2018-04-24 2975 scontrol.avail_min = control->avail_min;
09d94175dbeac1 Arnd Bergmann 2018-04-24 2976 sstatus.state = status->state;
09d94175dbeac1 Arnd Bergmann 2018-04-24 2977 sstatus.hw_ptr = status->hw_ptr % boundary;
09d94175dbeac1 Arnd Bergmann 2018-04-24 2978 sstatus.tstamp = status->tstamp;
09d94175dbeac1 Arnd Bergmann 2018-04-24 2979 sstatus.suspended_state = status->suspended_state;
09d94175dbeac1 Arnd Bergmann 2018-04-24 2980 sstatus.audio_tstamp = status->audio_tstamp;
09d94175dbeac1 Arnd Bergmann 2018-04-24 2981 snd_pcm_stream_unlock_irq(substream);
09d94175dbeac1 Arnd Bergmann 2018-04-24 @2982 if (put_user(sstatus.state, &src->s.status.state) ||
09d94175dbeac1 Arnd Bergmann 2018-04-24 2983 put_user(sstatus.hw_ptr, &src->s.status.hw_ptr) ||
80fe7430c70859 Arnd Bergmann 2018-04-24 2984 put_user(sstatus.tstamp.tv_sec, &src->s.status.tstamp_sec) ||
80fe7430c70859 Arnd Bergmann 2018-04-24 2985 put_user(sstatus.tstamp.tv_nsec, &src->s.status.tstamp_nsec) ||
09d94175dbeac1 Arnd Bergmann 2018-04-24 2986 put_user(sstatus.suspended_state, &src->s.status.suspended_state) ||
80fe7430c70859 Arnd Bergmann 2018-04-24 2987 put_user(sstatus.audio_tstamp.tv_sec, &src->s.status.audio_tstamp_sec) ||
80fe7430c70859 Arnd Bergmann 2018-04-24 2988 put_user(sstatus.audio_tstamp.tv_nsec, &src->s.status.audio_tstamp_nsec) ||
09d94175dbeac1 Arnd Bergmann 2018-04-24 2989 put_user(scontrol.appl_ptr, &src->c.control.appl_ptr) ||
09d94175dbeac1 Arnd Bergmann 2018-04-24 2990 put_user(scontrol.avail_min, &src->c.control.avail_min))
09d94175dbeac1 Arnd Bergmann 2018-04-24 2991 return -EFAULT;
09d94175dbeac1 Arnd Bergmann 2018-04-24 2992
09d94175dbeac1 Arnd Bergmann 2018-04-24 2993 return 0;
09d94175dbeac1 Arnd Bergmann 2018-04-24 2994 }
80fe7430c70859 Arnd Bergmann 2018-04-24 2995 #define __SNDRV_PCM_IOCTL_SYNC_PTR32 _IOWR('A', 0x23, struct snd_pcm_sync_ptr32)
09d94175dbeac1 Arnd Bergmann 2018-04-24 2996
:::::: The code at line 2982 was first introduced by commit
:::::: 09d94175dbeac12d38b1599a02c7000a5e51b4cb ALSA: move snd_pcm_ioctl_sync_ptr_compat into pcm_native.c
:::::: TO: Arnd Bergmann <arnd@...db.de>
:::::: CC: Arnd Bergmann <arnd@...db.de>
--
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