diff options
Diffstat (limited to 'drivers/scsi/osd/osd_initiator.c')
-rw-r--r-- | drivers/scsi/osd/osd_initiator.c | 26 |
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; |