nvme: move from strlcpy with unused retval to strscpy

Follow the advice of the below link and prefer 'strscpy' in this
subsystem. Conversion is 1:1 because the return value is not used.
Generated by a coccinelle script.

Link: https://lore.kernel.org/r/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL=V6A6G1oUZcprmknw@mail.gmail.com/
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 1128816..8c9c117 100644 (file)
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -2696,7 +2696,7 @@ static void nvme_init_subnqn(struct nvme_subsystem *subsys, struct nvme_ctrl *ct
        if(!(ctrl->quirks & NVME_QUIRK_IGNORE_DEV_SUBNQN)) {
                nqnlen = strnlen(id->subnqn, NVMF_NQN_SIZE);
                if (nqnlen > 0 && nqnlen < NVMF_NQN_SIZE) {
-                       strlcpy(subsys->subnqn, id->subnqn, NVMF_NQN_SIZE);
+                       strscpy(subsys->subnqn, id->subnqn, NVMF_NQN_SIZE);
                        return;
                }
 

diff --git a/drivers/nvme/host/fabrics.c b/drivers/nvme/host/fabrics.c
index 10cc4a8..61637c1 100644 (file)
--- a/drivers/nvme/host/fabrics.c
+++ b/drivers/nvme/host/fabrics.c
@@ -49,7 +49,7 @@ static struct nvmf_host *nvmf_host_add(const char *hostnqn)
                goto out_unlock;
 
        kref_init(&host->ref);
-       strlcpy(host->nqn, hostnqn, NVMF_NQN_SIZE);
+       strscpy(host->nqn, hostnqn, NVMF_NQN_SIZE);
 
        list_add_tail(&host->list, &nvmf_hosts);
 out_unlock:

diff --git a/drivers/nvme/target/admin-cmd.c b/drivers/nvme/target/admin-cmd.c
index fc8a957..c8a061c 100644 (file)
--- a/drivers/nvme/target/admin-cmd.c
+++ b/drivers/nvme/target/admin-cmd.c
@@ -449,7 +449,7 @@ static void nvmet_execute_identify_ctrl(struct nvmet_req *req)
        if (req->port->inline_data_size)
                id->sgls |= cpu_to_le32(1 << 20);
 
-       strlcpy(id->subnqn, ctrl->subsys->subsysnqn, sizeof(id->subnqn));
+       strscpy(id->subnqn, ctrl->subsys->subsysnqn, sizeof(id->subnqn));
 
        /*
         * Max command capsule size is sqe + in-capsule data size.

diff --git a/drivers/nvme/target/discovery.c b/drivers/nvme/target/discovery.c
index c2162ee..668d257 100644 (file)
--- a/drivers/nvme/target/discovery.c
+++ b/drivers/nvme/target/discovery.c
@@ -292,7 +292,7 @@ static void nvmet_execute_disc_identify(struct nvmet_req *req)
 
        id->oaes = cpu_to_le32(NVMET_DISC_AEN_CFG_OPTIONAL);
 
-       strlcpy(id->subnqn, ctrl->subsys->subsysnqn, sizeof(id->subnqn));
+       strscpy(id->subnqn, ctrl->subsys->subsysnqn, sizeof(id->subnqn));
 
        status = nvmet_copy_to_sgl(req, 0, id, sizeof(*id));