Signed-off-by: Nicolae-Alexandru Ivan <alexni...@gmail.com>
---
drivers/staging/comedi/drivers/ni_stc.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/staging/comedi/drivers/ni_stc.h
b/drivers/staging/comedi/drivers/ni_stc.h
index bd69c3f..75926c1 100644
--- a/drivers/staging/comedi/drivers/ni_stc.h
+++ b/drivers/staging/comedi/drivers/ni_stc.h
@@ -326,6 +326,7 @@ static inline unsigned RTSI_Output_Bit(unsigned channel,
int is_mseries)
{
unsigned max_channel;
unsigned base_bit_shift;
+
if (is_mseries) {
base_bit_shift = 8;
max_channel = 7;
@@ -1142,6 +1143,7 @@ static inline unsigned MSeries_AI_Config_Bank_Bits(enum
ni_reg_type reg_type,
unsigned channel)
{
unsigned bits = channel & 0x30;
+
if (reg_type == ni_reg_622x) {
if (channel & 0x40)
bits |= 0x400;
@@ -1191,6 +1193,7 @@ enum MSeries_PLL_Control_Bits {
static inline unsigned MSeries_PLL_Divisor_Bits(unsigned divisor)
{
static const unsigned max_divisor = 0x10;
+
if (divisor < 1 || divisor > max_divisor) {
pr_err("%s: bug, invalid divisor=%i\n", __func__, divisor);
return 0;
@@ -1201,6 +1204,7 @@ static inline unsigned MSeries_PLL_Divisor_Bits(unsigned
divisor)
static inline unsigned MSeries_PLL_Multiplier_Bits(unsigned multiplier)
{
static const unsigned max_multiplier = 0x100;
+
if (multiplier < 1 || multiplier > max_multiplier) {
pr_err("%s: bug, invalid multiplier=%i\n", __func__,
multiplier);
--
1.9.1
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