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net/9p: Replace strlen() strcpy() pair with strscpy()

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Use the result of strscpy() for the overflow check.

Signed-off-by: David Laight <david.laight.linux@gmail.com>
Message-ID: <20260606202744.5113-3-david.laight.linux@gmail.com>
Signed-off-by: Dominique Martinet <asmadeus@codewreck.org>
This commit is contained in:
David Laight 2026-06-06 21:27:42 +01:00 committed by Dominique Martinet
parent 574aa0b479
commit cc8b15a2c4
1 changed files with 2 additions and 4 deletions
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6
net/9p/trans_fd.c
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@ -940,14 +940,12 @@ p9_fd_create_unix(struct p9_client *client, struct fs_context *fc)
if (!addr || !strlen(addr))
return -EINVAL;
if (strlen(addr) >= UNIX_PATH_MAX) {
sun_server.sun_family = PF_UNIX;
if (strscpy(sun_server.sun_path, addr) < 0) {
pr_err("%s (%d): address too long: %s\n",
__func__, task_pid_nr(current), addr);
return -ENAMETOOLONG;
}
sun_server.sun_family = PF_UNIX;
strcpy(sun_server.sun_path, addr);
err = __sock_create(current->nsproxy->net_ns, PF_UNIX,
SOCK_STREAM, 0, &csocket, 1);
if (err < 0) {