The > ARRAY_SIZE() needs to be >= ARRAY_SIZE() to prevent an out of bounds access. Fixes: 9f492c4cb235 ("ptp: ocp: add TOD debug information") Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> --- drivers/ptp/ptp_ocp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/ptp/ptp_ocp.c b/drivers/ptp/ptp_ocp.c index 608d1a0eb141..300de2ff5657 100644 --- a/drivers/ptp/ptp_ocp.c +++ b/drivers/ptp/ptp_ocp.c @@ -914,7 +914,7 @@ ptp_ocp_tod_gnss_name(int idx) "ALL", "COMBINED", "GPS", "GLONASS", "GALILEO", "BEIDOU", "Unknown" }; - if (idx > ARRAY_SIZE(gnss_name)) + if (idx >= ARRAY_SIZE(gnss_name)) idx = ARRAY_SIZE(gnss_name) - 1; return gnss_name[idx]; } -- 2.20.1