From: Lennart Poettering <lennart@poettering.net>
Date: Wed, 26 Feb 2025 14:43:15 +0000 (+0100)
Subject: udev: make gcc static check shut up, regarding strncpy()
X-Git-Tag: v258-rc1~1248
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=9287ec34d54d1864806ea2c395da96c478ae3d45;p=thirdparty%2Fsystemd.git

udev: make gcc static check shut up, regarding strncpy()
---

diff --git a/src/udev/udev-builtin-btrfs.c b/src/udev/udev-builtin-btrfs.c
index 7e76480dc7b..af711d8d88b 100644
--- a/src/udev/udev-builtin-btrfs.c
+++ b/src/udev/udev-builtin-btrfs.c
@@ -36,7 +36,7 @@ static int builtin_btrfs(UdevEvent *event, int argc, char *argv[]) {
         if (strlen(argv[2]) >= sizeof(args.name))
                 return log_device_debug_errno(dev, SYNTHETIC_ERRNO(EINVAL), "Device name too long for BTRFS_IOC_DEVICES_READY call: %s", argv[2]);
 
-        strncpy(args.name, argv[2], sizeof(args.name));
+        strncpy(args.name, argv[2], sizeof(args.name)-1);
         r = ioctl(fd, BTRFS_IOC_DEVICES_READY, &args);
         if (r < 0)
                 return log_device_debug_errno(dev, errno, "Failed to call BTRFS_IOC_DEVICES_READY: %m");