From: Len Brown len.brown@intel.com
[ Upstream commit d8d005ba6afa502ca37ced5782f672c4d2fc1515 ]
Warning: ‘__builtin_strncpy’ specified bound 20 equals destination size [-Wstringop-truncation]
reduce param to strncpy, to guarantee that a null byte is always copied into destination buffer.
Signed-off-by: Len Brown len.brown@intel.com Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Yang Yingliang yangyingliang@huawei.com --- tools/power/x86/turbostat/turbostat.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c index 02d1238..fb665fd 100644 --- a/tools/power/x86/turbostat/turbostat.c +++ b/tools/power/x86/turbostat/turbostat.c @@ -5144,9 +5144,9 @@ int add_counter(unsigned int msr_num, char *path, char *name, }
msrp->msr_num = msr_num; - strncpy(msrp->name, name, NAME_BYTES); + strncpy(msrp->name, name, NAME_BYTES - 1); if (path) - strncpy(msrp->path, path, PATH_BYTES); + strncpy(msrp->path, path, PATH_BYTES - 1); msrp->width = width; msrp->type = type; msrp->format = format;