nvmet: use snprintf() with PAGE_SIZE in configfs

Instead of using sprintf, use snprintf with buffer size limited to
PAGE_SIZE just like what we have for the rest of the file.

Signed-off-by: Chaitanya Kulkarni <kch@nvidia.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

diff --git a/drivers/nvme/target/configfs.c b/drivers/nvme/target/configfs.c
index 0f5c680..ac801fa 100644 (file)
--- a/drivers/nvme/target/configfs.c
+++ b/drivers/nvme/target/configfs.c
@@ -60,10 +60,11 @@ static ssize_t nvmet_addr_adrfam_show(struct config_item *item, char *page)
 
        for (i = 1; i < ARRAY_SIZE(nvmet_addr_family); i++) {
                if (nvmet_addr_family[i].type == adrfam)
-                       return sprintf(page, "%s\n", nvmet_addr_family[i].name);
+                       return snprintf(page, PAGE_SIZE, "%s\n",
+                                       nvmet_addr_family[i].name);
        }
 
-       return sprintf(page, "\n");
+       return snprintf(page, PAGE_SIZE, "\n");
 }
 
 static ssize_t nvmet_addr_adrfam_store(struct config_item *item,
@@ -160,10 +161,11 @@ static ssize_t nvmet_addr_treq_show(struct config_item *item, char *page)
 
        for (i = 0; i < ARRAY_SIZE(nvmet_addr_treq); i++) {
                if (treq == nvmet_addr_treq[i].type)
-                       return sprintf(page, "%s\n", nvmet_addr_treq[i].name);
+                       return snprintf(page, PAGE_SIZE, "%s\n",
+                                       nvmet_addr_treq[i].name);
        }
 
-       return sprintf(page, "\n");
+       return snprintf(page, PAGE_SIZE, "\n");
 }
 
 static ssize_t nvmet_addr_treq_store(struct config_item *item,
@@ -281,7 +283,8 @@ static ssize_t nvmet_addr_trtype_show(struct config_item *item,
 
        for (i = 0; i < ARRAY_SIZE(nvmet_transport); i++) {
                if (port->disc_addr.trtype == nvmet_transport[i].type)
-                       return sprintf(page, "%s\n", nvmet_transport[i].name);
+                       return snprintf(page, PAGE_SIZE,
+                                       "%s\n", nvmet_transport[i].name);
        }
 
        return sprintf(page, "\n");