Documentation/accounting/getdelays.c: add missing null-terminate after strncpy call

Added a guaranteed null-terminate after call to strncpy.

This was partly found using a static code analysis program called
cppcheck.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/Documentation/accounting/getdelays.c b/Documentation/accounting/getdelays.c
index c6a06b71594d..f40578026a04 100644
--- a/Documentation/accounting/getdelays.c
+++ b/Documentation/accounting/getdelays.c
@@ -314,6 +314,7 @@ int main(int argc, char *argv[])
                         break;
                 case 'm':
                         strncpy(cpumask, optarg, sizeof(cpumask));
+                        cpumask[sizeof(cpumask) - 1] = '\0';
                         maskset = 1;
                         printf("cpumask %s maskset %d\n", cpumask, maskset);
                         break;