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ptp: ocp: off by in in ptp_ocp_tod_gnss_name()

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The > ARRAY_SIZE() needs to be >= ARRAY_SIZE() to prevent an out of
bounds access.

Fixes: 9f492c4cb2 ("ptp: ocp: add TOD debug information")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Acked-by: Jonathan Lemon <jonathan.lemon@gmail.com>
Link: https://lore.kernel.org/r/20220307141318.GA18867@kili
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Dan Carpenter 2022-03-07 17:13:18 +03:00 committed by Jakub Kicinski
parent 57d29a2935
commit 72f00505f2
1 changed files with 1 additions and 1 deletions
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2
drivers/ptp/ptp_ocp.c
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@ -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];
}