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Diffstat (limited to 'drivers/scsi')
-rw-r--r--drivers/scsi/hpsa.c38
1 files changed, 17 insertions, 21 deletions
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index 64638d56fb65..910b2d1513c0 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -734,7 +734,6 @@ static ssize_t host_show_hp_ssd_smart_path_enabled(struct device *dev,
}
#define MAX_PATHS 8
-#define PATH_STRING_LEN 50
static ssize_t path_info_show(struct device *dev,
struct device_attribute *attr, char *buf)
@@ -750,9 +749,7 @@ static ssize_t path_info_show(struct device *dev,
u8 path_map_index = 0;
char *active;
unsigned char phys_connector[2];
- unsigned char path[MAX_PATHS][PATH_STRING_LEN];
- memset(path, 0, MAX_PATHS * PATH_STRING_LEN);
sdev = to_scsi_device(dev);
h = sdev_to_hba(sdev);
spin_lock_irqsave(&h->devlock, flags);
@@ -772,8 +769,9 @@ static ssize_t path_info_show(struct device *dev,
else
continue;
- output_len = snprintf(path[i],
- PATH_STRING_LEN, "[%d:%d:%d:%d] %20.20s ",
+ output_len += scnprintf(buf + output_len,
+ PAGE_SIZE - output_len,
+ "[%d:%d:%d:%d] %20.20s ",
h->scsi_host->host_no,
hdev->bus, hdev->target, hdev->lun,
scsi_device_type(hdev->devtype));
@@ -781,9 +779,9 @@ static ssize_t path_info_show(struct device *dev,
if (hdev->external ||
hdev->devtype == TYPE_RAID ||
is_logical_device(hdev)) {
- output_len += snprintf(path[i] + output_len,
- PATH_STRING_LEN, "%s\n",
- active);
+ output_len += snprintf(buf + output_len,
+ PAGE_SIZE - output_len,
+ "%s\n", active);
continue;
}
@@ -795,35 +793,33 @@ static ssize_t path_info_show(struct device *dev,
if (phys_connector[1] < '0')
phys_connector[1] = '0';
if (hdev->phys_connector[i] > 0)
- output_len += snprintf(path[i] + output_len,
- PATH_STRING_LEN,
+ output_len += snprintf(buf + output_len,
+ PAGE_SIZE - output_len,
"PORT: %.2s ",
phys_connector);
if (hdev->devtype == TYPE_DISK && hdev->expose_device) {
if (box == 0 || box == 0xFF) {
- output_len += snprintf(path[i] + output_len,
- PATH_STRING_LEN,
+ output_len += snprintf(buf + output_len,
+ PAGE_SIZE - output_len,
"BAY: %hhu %s\n",
bay, active);
} else {
- output_len += snprintf(path[i] + output_len,
- PATH_STRING_LEN,
+ output_len += snprintf(buf + output_len,
+ PAGE_SIZE - output_len,
"BOX: %hhu BAY: %hhu %s\n",
box, bay, active);
}
} else if (box != 0 && box != 0xFF) {
- output_len += snprintf(path[i] + output_len,
- PATH_STRING_LEN, "BOX: %hhu %s\n",
+ output_len += snprintf(buf + output_len,
+ PAGE_SIZE - output_len, "BOX: %hhu %s\n",
box, active);
} else
- output_len += snprintf(path[i] + output_len,
- PATH_STRING_LEN, "%s\n", active);
+ output_len += snprintf(buf + output_len,
+ PAGE_SIZE - output_len, "%s\n", active);
}
spin_unlock_irqrestore(&h->devlock, flags);
- return snprintf(buf, output_len+1, "%s%s%s%s%s%s%s%s",
- path[0], path[1], path[2], path[3],
- path[4], path[5], path[6], path[7]);
+ return output_len;
}
static DEVICE_ATTR(raid_level, S_IRUGO, raid_level_show, NULL);