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path: root/drivers/mfd/wm8400-core.c
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Diffstat (limited to 'drivers/mfd/wm8400-core.c')
-rw-r--r--drivers/mfd/wm8400-core.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/mfd/wm8400-core.c b/drivers/mfd/wm8400-core.c
index 865ce013a821..e08aafa663dc 100644
--- a/drivers/mfd/wm8400-core.c
+++ b/drivers/mfd/wm8400-core.c
@@ -118,7 +118,7 @@ static int wm8400_read(struct wm8400 *wm8400, u8 reg, int num_regs, u16 *dest)
{
int i, ret = 0;
- BUG_ON(reg + num_regs - 1 > ARRAY_SIZE(wm8400->reg_cache));
+ BUG_ON(reg + num_regs > ARRAY_SIZE(wm8400->reg_cache));
/* If there are any volatile reads then read back the entire block */
for (i = reg; i < reg + num_regs; i++)
@@ -144,7 +144,7 @@ static int wm8400_write(struct wm8400 *wm8400, u8 reg, int num_regs,
{
int ret, i;
- BUG_ON(reg + num_regs - 1 > ARRAY_SIZE(wm8400->reg_cache));
+ BUG_ON(reg + num_regs > ARRAY_SIZE(wm8400->reg_cache));
for (i = 0; i < num_regs; i++) {
BUG_ON(!reg_data[reg + i].writable);