| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.5 14/46] tools/power turbostat: Fix gcc build warnings | Date | Tue, 7 Apr 2020 12:21:45 +0200 |
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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> --- 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 5d0fddda842c4..78507cd479bb4 100644 --- a/tools/power/x86/turbostat/turbostat.c +++ b/tools/power/x86/turbostat/turbostat.c @@ -5323,9 +5323,9 @@ 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; -- 2.20.1
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