From: Chaitanya Kulkarni <kch@nvidia.com>
Date: Tue, 8 Mar 2022 14:56:58 -0800
Subject: nvmet: use snprintf() with PAGE_SIZE in configfs
Patch-mainline: v5.18-rc1
Git-commit: 98152eb70fffad910ee7c511b110afe98f162fc5
References: jsc#PED-1183
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>
Acked-by: Daniel Wagner <dwagner@suse.de>
---
drivers/nvme/target/configfs.c | 13 ++++++++-----
1 file changed, 8 insertions(+), 5 deletions(-)
--- a/drivers/nvme/target/configfs.c
+++ b/drivers/nvme/target/configfs.c
@@ -60,10 +60,11 @@ static ssize_t nvmet_addr_adrfam_show(st
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(stru
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(st
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");