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path: root/drivers/edac/pnd2_edac.c
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Diffstat (limited to 'drivers/edac/pnd2_edac.c')
-rw-r--r--drivers/edac/pnd2_edac.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/edac/pnd2_edac.c b/drivers/edac/pnd2_edac.c
index 4395c84cdcbf..df28b65358d2 100644
--- a/drivers/edac/pnd2_edac.c
+++ b/drivers/edac/pnd2_edac.c
@@ -45,6 +45,8 @@
#include "edac_module.h"
#include "pnd2_edac.h"
+#define EDAC_MOD_STR "pnd2_edac"
+
#define APL_NUM_CHANNELS 4
#define DNV_NUM_CHANNELS 2
#define DNV_MAX_DIMMS 2 /* Max DIMMs per channel */
@@ -1355,7 +1357,7 @@ static int pnd2_register_mci(struct mem_ctl_info **ppmci)
pvt = mci->pvt_info;
memset(pvt, 0, sizeof(*pvt));
- mci->mod_name = "pnd2_edac.c";
+ mci->mod_name = EDAC_MOD_STR;
mci->dev_name = ops->name;
mci->ctl_name = "Pondicherry2";
@@ -1547,10 +1549,15 @@ MODULE_DEVICE_TABLE(x86cpu, pnd2_cpuids);
static int __init pnd2_init(void)
{
const struct x86_cpu_id *id;
+ const char *owner;
int rc;
edac_dbg(2, "\n");
+ owner = edac_get_owner();
+ if (owner && strncmp(owner, EDAC_MOD_STR, sizeof(EDAC_MOD_STR)))
+ return -EBUSY;
+
id = x86_match_cpu(pnd2_cpuids);
if (!id)
return -ENODEV;