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path: root/drivers/ide/cmd64x.c
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Diffstat (limited to 'drivers/ide/cmd64x.c')
-rw-r--r--drivers/ide/cmd64x.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/ide/cmd64x.c b/drivers/ide/cmd64x.c
index b127ed60c733..9dde8390da09 100644
--- a/drivers/ide/cmd64x.c
+++ b/drivers/ide/cmd64x.c
@@ -65,6 +65,9 @@ static void cmd64x_program_timings(ide_drive_t *drive, u8 mode)
struct ide_timing t;
u8 arttim = 0;
+ if (drive->dn >= ARRAY_SIZE(drwtim_regs))
+ return;
+
ide_timing_compute(drive, mode, &t, T, 0);
/*