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pstore: Use dynamic spinlock initializer

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The per-prz spinlock should be using the dynamic initializer so that
lockdep can correctly track it. Without this, under lockdep, we get a
warning at boot that the lock is in non-static memory.

Fixes: 109704492e ("pstore: Make spinlock per zone instead of global")
Fixes: 76d5692a58 ("pstore: Correctly initialize spinlock and flags")
Signed-off-by: Kees Cook <keescook@chromium.org>
Cc: stable@vger.kernel.org
This commit is contained in:
Kees Cook 2017-03-05 22:08:58 -08:00
parent 3faf93543c
commit e9a330c428
1 changed files with 1 additions and 1 deletions
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2
fs/pstore/ram_core.c
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@ -532,7 +532,7 @@ struct persistent_ram_zone *persistent_ram_new(phys_addr_t start, size_t size,
}
/* Initialize general buffer state. */
prz->buffer_lock = __RAW_SPIN_LOCK_UNLOCKED(buffer_lock);
raw_spin_lock_init(&prz->buffer_lock);
prz->flags = flags;
ret = persistent_ram_buffer_map(start, size, prz, memtype);