From: Krzysztof Smolinski <krzysztof.smolinski@xxxxxxxxx> GCC8 make more strict checks of possible truncation during snprintf calls than GCC7 which cause compilation errors. This patch fixes compilation of mdadm on GCC8 compiler. Signed-off-by: Krzysztof Smolinski <krzysztof.smolinski@xxxxxxxxx> --- sysfs.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sysfs.c b/sysfs.c index c3137818..2bf9793d 100644 --- a/sysfs.c +++ b/sysfs.c @@ -1019,7 +1019,7 @@ int sysfs_rules_apply_check(const struct mdinfo *sra, /* Check whether parameter is regular file, * exists and is under specified directory. */ - char fname[MAX_SYSFS_PATH_LEN]; + char fname[PATH_MAX]; char dname[MAX_SYSFS_PATH_LEN]; char resolved_path[PATH_MAX]; char resolved_dir[PATH_MAX]; @@ -1028,7 +1028,7 @@ int sysfs_rules_apply_check(const struct mdinfo *sra, return -1; snprintf(dname, MAX_SYSFS_PATH_LEN, "/sys/block/%s/md/", sra->sys_name); - snprintf(fname, MAX_SYSFS_PATH_LEN, "%s/%s", dname, ent->name); + snprintf(fname, PATH_MAX, "%s/%s", dname, ent->name); if (realpath(fname, resolved_path) == NULL || realpath(dname, resolved_dir) == NULL) -- 2.16.4
