diff mbox series

[02/10] tools/power turbostat: Fix gcc build warnings

Message ID d8d005ba6afa502ca37ced5782f672c4d2fc1515.1584679387.git.len.brown@intel.com (mailing list archive)
State Accepted, archived
Delegated to: Len Brown
Headers show
Series [01/10] tools/power turbostat: Support Cometlake | expand

Commit Message

Len Brown March 20, 2020, 5:22 a.m. UTC 
From: Len Brown <len.brown@intel.com>

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>
---
 tools/power/x86/turbostat/turbostat.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index dd5ac9f52ac5..fa95a8ca5565 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -5325,9 +5325,9 @@  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;