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path: root/drivers/clk/clk-stm32f4.c
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Diffstat (limited to 'drivers/clk/clk-stm32f4.c')
-rw-r--r--drivers/clk/clk-stm32f4.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/clk/clk-stm32f4.c b/drivers/clk/clk-stm32f4.c
index b9b12a7..3f6f7ad 100644
--- a/drivers/clk/clk-stm32f4.c
+++ b/drivers/clk/clk-stm32f4.c
@@ -268,7 +268,7 @@ static int stm32f4_rcc_lookup_clk_idx(u8 primary, u8 secondary)
memcpy(table, stm32f42xx_gate_map, sizeof(table));
/* only bits set in table can be used as indices */
- if (WARN_ON(secondary > 8 * sizeof(table) ||
+ if (WARN_ON(secondary >= BITS_PER_BYTE * sizeof(table) ||
0 == (table[BIT_ULL_WORD(secondary)] &
BIT_ULL_MASK(secondary))))
return -EINVAL;
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