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EDAC: Get rid of edac_handlers

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Use mc_devices list instead to check whether we have EDAC driver
instances successfully registered with EDAC core.

Signed-off-by: Borislav Petkov <bp@suse.de>
This commit is contained in:
Borislav Petkov 2017-01-26 16:49:59 +01:00
parent db47d5f856
commit 97bb6c17ad
3 changed files with 2 additions and 8 deletions
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6
drivers/edac/edac_mc.c
View File

@ -601,7 +601,6 @@ static int add_mc_to_global_list(struct mem_ctl_info *mci)
}
list_add_tail_rcu(&mci->link, insert_before);
atomic_inc(&edac_handlers);
return 0;
fail0:
@ -619,7 +618,6 @@ static int add_mc_to_global_list(struct mem_ctl_info *mci)
static int del_mc_from_global_list(struct mem_ctl_info *mci)
{
int handlers = atomic_dec_return(&edac_handlers);
list_del_rcu(&mci->link);
/* these are for safe removal of devices from global list while
@ -628,7 +626,7 @@ static int del_mc_from_global_list(struct mem_ctl_info *mci)
synchronize_rcu();
INIT_LIST_HEAD(&mci->link);
return handlers;
return list_empty(&mc_devices);
}
struct mem_ctl_info *edac_mc_find(int idx)
@ -763,7 +761,7 @@ struct mem_ctl_info *edac_mc_del_mc(struct device *dev)
/* mark MCI offline: */
mci->op_state = OP_OFFLINE;
if (!del_mc_from_global_list(mci))
if (del_mc_from_global_list(mci))
edac_mc_owner = NULL;
mutex_unlock(&mem_ctls_mutex);

3
drivers/edac/edac_stub.c
View File

@ -20,9 +20,6 @@
int edac_op_state = EDAC_OPSTATE_INVAL;
EXPORT_SYMBOL_GPL(edac_op_state);
atomic_t edac_handlers = ATOMIC_INIT(0);
EXPORT_SYMBOL_GPL(edac_handlers);
int edac_err_assert = 0;
EXPORT_SYMBOL_GPL(edac_err_assert);

1
include/linux/edac.h
View File

@ -29,7 +29,6 @@ struct device;
extern int edac_op_state;
extern int edac_err_assert;
extern atomic_t edac_handlers;
extern struct bus_type *edac_get_sysfs_subsys(void);