From cbcf65c6518652242aab6960eeb983c6bc771bd3 Mon Sep 17 00:00:00 2001
From: Zdenek Kabelac <zkabelac@redhat.com>
Date: Sun, 12 Feb 2023 19:23:12 +0100
Subject: [PATCH] filesystem: use PATH_MAX for linux paths

(cherry picked from commit cf0dc9a13cf365859e7dad3bb1ad02040925ae11)
---
 lib/device/filesystem.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/lib/device/filesystem.c b/lib/device/filesystem.c
index db507bdda..0c902ec14 100644
--- a/lib/device/filesystem.c
+++ b/lib/device/filesystem.c
@@ -219,10 +219,10 @@ int fs_mount_state_is_misnamed(struct cmd_context *cmd, struct logical_volume *l
 	FILE *fp;
 	char proc_line[PATH_MAX];
 	char proc_fstype[FSTYPE_MAX];
-	char proc_devpath[1024];
-	char proc_mntpath[1024];
-	char lv_mapper_path[1024];
-	char mntent_mount_dir[1024];
+	char proc_devpath[PATH_MAX];
+	char proc_mntpath[PATH_MAX];
+	char lv_mapper_path[PATH_MAX];
+	char mntent_mount_dir[PATH_MAX];
 	char *dm_name;
 	struct stat st_lv;
 	struct stat stme;
@@ -262,14 +262,14 @@ int fs_mount_state_is_misnamed(struct cmd_context *cmd, struct logical_volume *l
 			continue;
 		if (stme.st_dev != st_lv.st_rdev)
 			continue;
-		strncpy(mntent_mount_dir, me->mnt_dir, PATH_MAX-1);
+		dm_strncpy(mntent_mount_dir, me->mnt_dir, sizeof(mntent_mount_dir));
 	}
 	endmntent(fme);
 
 	if (!(dm_name = dm_build_dm_name(cmd->mem, lv->vg->name, lv->name, NULL)))
 		return_0;
 
-	if ((dm_snprintf(lv_mapper_path, 1024, "%s/%s", dm_dir(), dm_name) < 0))
+	if ((dm_snprintf(lv_mapper_path, sizeof(lv_mapper_path), "%s/%s", dm_dir(), dm_name) < 0))
 		return_0;
 
 	if (!(fp = fopen("/proc/mounts", "r")))
-- 
2.39.1