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-rw-r--r--fs/pstore/ram_core.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/fs/pstore/ram_core.c b/fs/pstore/ram_core.c
index a857338b7dab..bc927e30bdcc 100644
--- a/fs/pstore/ram_core.c
+++ b/fs/pstore/ram_core.c
@@ -467,8 +467,7 @@ static int persistent_ram_buffer_map(phys_addr_t start, phys_addr_t size,
}
static int persistent_ram_post_init(struct persistent_ram_zone *prz, u32 sig,
- struct persistent_ram_ecc_info *ecc_info,
- unsigned long flags)
+ struct persistent_ram_ecc_info *ecc_info)
{
int ret;
@@ -494,10 +493,9 @@ static int persistent_ram_post_init(struct persistent_ram_zone *prz, u32 sig,
prz->buffer->sig);
}
+ /* Rewind missing or invalid memory area. */
prz->buffer->sig = sig;
persistent_ram_zap(prz);
- prz->buffer_lock = __RAW_SPIN_LOCK_UNLOCKED(buffer_lock);
- prz->flags = flags;
return 0;
}
@@ -533,11 +531,15 @@ struct persistent_ram_zone *persistent_ram_new(phys_addr_t start, size_t size,
goto err;
}
+ /* Initialize general buffer state. */
+ prz->buffer_lock = __RAW_SPIN_LOCK_UNLOCKED(buffer_lock);
+ prz->flags = flags;
+
ret = persistent_ram_buffer_map(start, size, prz, memtype);
if (ret)
goto err;
- ret = persistent_ram_post_init(prz, sig, ecc_info, flags);
+ ret = persistent_ram_post_init(prz, sig, ecc_info);
if (ret)
goto err;