[PATCH 11/14] cifs: move from strlcpy with unused retval to strscpy

From: Wolfram Sang
Date: Thu Aug 18 2022 - 17:11:11 EST


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@xxxxxxxxxxxxxx/
Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
---
fs/cifs/cifsroot.c | 2 +-
fs/cifs/connect.c | 2 +-
fs/cifs/smb2pdu.c | 2 +-
3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/cifs/cifsroot.c b/fs/cifs/cifsroot.c
index 9e91a5a40aae..56ec1b233f52 100644
--- a/fs/cifs/cifsroot.c
+++ b/fs/cifs/cifsroot.c
@@ -59,7 +59,7 @@ static int __init cifs_root_setup(char *line)
pr_err("Root-CIFS: UNC path too long\n");
return 1;
}
- strlcpy(root_dev, line, len);
+ strscpy(root_dev, line, len);
srvaddr = parse_srvaddr(&line[2], s);
if (*s) {
int n = snprintf(root_opts,
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 9111c025bcb8..3da5da9f16b0 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -3994,7 +3994,7 @@ CIFSTCon(const unsigned int xid, struct cifs_ses *ses,
}
bcc_ptr += length + 1;
bytes_left -= (length + 1);
- strlcpy(tcon->treeName, tree, sizeof(tcon->treeName));
+ strscpy(tcon->treeName, tree, sizeof(tcon->treeName));

/* mostly informational -- no need to fail on error here */
kfree(tcon->nativeFileSystem);
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 9b31ea946d45..9958b5f1c12f 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -1928,7 +1928,7 @@ SMB2_tcon(const unsigned int xid, struct cifs_ses *ses, const char *tree,
tcon->capabilities = rsp->Capabilities; /* we keep caps little endian */
tcon->maximal_access = le32_to_cpu(rsp->MaximalAccess);
tcon->tid = le32_to_cpu(rsp->hdr.Id.SyncId.TreeId);
- strlcpy(tcon->treeName, tree, sizeof(tcon->treeName));
+ strscpy(tcon->treeName, tree, sizeof(tcon->treeName));

if ((rsp->Capabilities & SMB2_SHARE_CAP_DFS) &&
((tcon->share_flags & SHI1005_FLAGS_DFS) == 0))
--
2.35.1