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-rw-r--r--drivers/lightnvm/core.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c
index 8afb04cc4d5a..04469e0c84ce 100644
--- a/drivers/lightnvm/core.c
+++ b/drivers/lightnvm/core.c
@@ -28,6 +28,7 @@
#include <linux/sched/sysctl.h>
static LIST_HEAD(nvm_tgt_types);
+static DECLARE_RWSEM(nvm_tgtt_lock);
static LIST_HEAD(nvm_mgrs);
static LIST_HEAD(nvm_devices);
static DECLARE_RWSEM(nvm_lock);
@@ -37,7 +38,7 @@ struct nvm_tgt_type *nvm_find_target_type(const char *name, int lock)
struct nvm_tgt_type *tmp, *tt = NULL;
if (lock)
- down_write(&nvm_lock);
+ down_write(&nvm_tgtt_lock);
list_for_each_entry(tmp, &nvm_tgt_types, list)
if (!strcmp(name, tmp->name)) {
@@ -46,7 +47,7 @@ struct nvm_tgt_type *nvm_find_target_type(const char *name, int lock)
}
if (lock)
- up_write(&nvm_lock);
+ up_write(&nvm_tgtt_lock);
return tt;
}
EXPORT_SYMBOL(nvm_find_target_type);
@@ -55,12 +56,12 @@ int nvm_register_tgt_type(struct nvm_tgt_type *tt)
{
int ret = 0;
- down_write(&nvm_lock);
+ down_write(&nvm_tgtt_lock);
if (nvm_find_target_type(tt->name, 0))
ret = -EEXIST;
else
list_add(&tt->list, &nvm_tgt_types);
- up_write(&nvm_lock);
+ up_write(&nvm_tgtt_lock);
return ret;
}