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-rw-r--r--drivers/mtd/nand/raw/tegra_nand.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/mtd/nand/raw/tegra_nand.c b/drivers/mtd/nand/raw/tegra_nand.c
index 9f7de36be893..56c0aa1bc81f 100644
--- a/drivers/mtd/nand/raw/tegra_nand.c
+++ b/drivers/mtd/nand/raw/tegra_nand.c
@@ -468,7 +468,9 @@ static void tegra_nand_select_chip(struct mtd_info *mtd, int die_nr)
struct tegra_nand_chip *nand = to_tegra_chip(chip);
struct tegra_nand_controller *ctrl = to_tegra_ctrl(chip->controller);
- if (die_nr < 0 || die_nr > 1) {
+ WARN_ON(die_nr >= (int)ARRAY_SIZE(nand->cs));
+
+ if (die_nr < 0 || die_nr > 0) {
ctrl->cur_cs = -1;
return;
}