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path: root/drivers/scsi/osd/osd_initiator.c
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Diffstat (limited to 'drivers/scsi/osd/osd_initiator.c')
-rw-r--r--drivers/scsi/osd/osd_initiator.c26
1 files changed, 20 insertions, 6 deletions
diff --git a/drivers/scsi/osd/osd_initiator.c b/drivers/scsi/osd/osd_initiator.c
index 7a117c18114c..60b7ca1e9bc0 100644
--- a/drivers/scsi/osd/osd_initiator.c
+++ b/drivers/scsi/osd/osd_initiator.c
@@ -73,7 +73,8 @@ static const char *_osd_ver_desc(struct osd_request *or)
#define ATTR_DEF_RI(id, len) ATTR_DEF(OSD_APAGE_ROOT_INFORMATION, id, len)
-static int _osd_print_system_info(struct osd_dev *od, void *caps)
+static int _osd_get_print_system_info(struct osd_dev *od,
+ void *caps, struct osd_dev_info *odi)
{
struct osd_request *or;
struct osd_attr get_attrs[] = {
@@ -137,8 +138,12 @@ static int _osd_print_system_info(struct osd_dev *od, void *caps)
OSD_INFO("PRODUCT_SERIAL_NUMBER [%s]\n",
(char *)pFirst);
- pFirst = get_attrs[a].val_ptr;
- OSD_INFO("OSD_NAME [%s]\n", (char *)pFirst);
+ odi->osdname_len = get_attrs[a].len;
+ /* Avoid NULL for memcmp optimization 0-length is good enough */
+ odi->osdname = kzalloc(odi->osdname_len + 1, GFP_KERNEL);
+ if (odi->osdname_len)
+ memcpy(odi->osdname, get_attrs[a].val_ptr, odi->osdname_len);
+ OSD_INFO("OSD_NAME [%s]\n", odi->osdname);
a++;
pFirst = get_attrs[a++].val_ptr;
@@ -171,6 +176,14 @@ static int _osd_print_system_info(struct osd_dev *od, void *caps)
sid_dump, sizeof(sid_dump), true);
OSD_INFO("OSD_SYSTEM_ID(%d)\n"
" [%s]\n", len, sid_dump);
+
+ if (unlikely(len > sizeof(odi->systemid))) {
+ OSD_ERR("OSD Target error: OSD_SYSTEM_ID too long(%d). "
+ "device idetification might not work\n", len);
+ len = sizeof(odi->systemid);
+ }
+ odi->systemid_len = len;
+ memcpy(odi->systemid, get_attrs[a].val_ptr, len);
a++;
}
out:
@@ -178,16 +191,17 @@ out:
return ret;
}
-int osd_auto_detect_ver(struct osd_dev *od, void *caps)
+int osd_auto_detect_ver(struct osd_dev *od,
+ void *caps, struct osd_dev_info *odi)
{
int ret;
/* Auto-detect the osd version */
- ret = _osd_print_system_info(od, caps);
+ ret = _osd_get_print_system_info(od, caps, odi);
if (ret) {
osd_dev_set_ver(od, OSD_VER1);
OSD_DEBUG("converting to OSD1\n");
- ret = _osd_print_system_info(od, caps);
+ ret = _osd_get_print_system_info(od, caps, odi);
}
return ret;