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-rw-r--r--drivers/edac/ghes_edac.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/edac/ghes_edac.c b/drivers/edac/ghes_edac.c
index da60c29468a7..54ebc8afc6b1 100644
--- a/drivers/edac/ghes_edac.c
+++ b/drivers/edac/ghes_edac.c
@@ -55,6 +55,8 @@ static DEFINE_SPINLOCK(ghes_lock);
static bool __read_mostly force_load;
module_param(force_load, bool, 0);
+static bool system_scanned;
+
/* Memory Device - Type 17 of SMBIOS spec */
struct memdev_dmi_entry {
u8 type;
@@ -225,14 +227,12 @@ static void enumerate_dimms(const struct dmi_header *dh, void *arg)
static void ghes_scan_system(void)
{
- static bool scanned;
-
- if (scanned)
+ if (system_scanned)
return;
dmi_walk(enumerate_dimms, &ghes_hw);
- scanned = true;
+ system_scanned = true;
}
void ghes_edac_report_mem_error(int sev, struct cper_sec_mem_err *mem_err)
@@ -631,6 +631,8 @@ void ghes_edac_unregister(struct ghes *ghes)
mutex_lock(&ghes_reg_mutex);
+ system_scanned = false;
+
if (!refcount_dec_and_test(&ghes_refcount))
goto unlock;