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Message-Id: <1457523302-21261-1-git-send-email-ravishankarkm32@gmail.com>
Date: Wed, 9 Mar 2016 17:05:01 +0530
From: ravishankarkm <ravishankarkm32@...il.com>
To: greg@...ah.com
Cc: abbotti@....co.uk, hsweeten@...ionengravers.com,
gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org,
ravishankarkm <ravishankarkm32@...il.com>
Subject: [PATCH 1/1] Staging: comedi: fix CHECK issue in ni_tio.c
This is a patch to the ni_tio.c file that fixes up a CHECK issues
found by the checkpatch.pl tool.
i.e.Avoid crashing the kernel - try using WARN_ON & recovery code
rather than BUG() or BUG_ON().
Signed-off-by: Ravishankar Karkala Mallikarjunayya <ravishankarkm32@...il.com>
---
drivers/staging/comedi/drivers/ni_tio.c | 28 ++++++++++++++--------------
1 file changed, 14 insertions(+), 14 deletions(-)
diff --git a/drivers/staging/comedi/drivers/ni_tio.c b/drivers/staging/comedi/drivers/ni_tio.c
index b74e44e..1348a75 100644
--- a/drivers/staging/comedi/drivers/ni_tio.c
+++ b/drivers/staging/comedi/drivers/ni_tio.c
@@ -189,7 +189,7 @@ static void ni_tio_reset_count_and_disarm(struct ni_gpct *counter)
static uint64_t ni_tio_clock_period_ps(const struct ni_gpct *counter,
unsigned generic_clock_source)
{
- uint64_t clock_period_ps;
+ u64 clock_period_ps;
switch (generic_clock_source & NI_GPCT_CLOCK_SRC_SELECT_MASK) {
case NI_GPCT_TIMEBASE_1_CLOCK_SRC_BITS:
@@ -222,7 +222,7 @@ static uint64_t ni_tio_clock_period_ps(const struct ni_gpct *counter,
clock_period_ps *= 8;
break;
default:
- BUG();
+ WARN_ON(1);
break;
}
return clock_period_ps;
@@ -304,7 +304,7 @@ static unsigned ni_m_series_clock_src_select(const struct ni_gpct *counter)
}
if (i <= NI_M_MAX_PFI_CHAN)
break;
- BUG();
+ WARN_ON(1);
break;
}
clock_source |= ni_tio_clock_src_modifiers(counter);
@@ -361,7 +361,7 @@ static unsigned ni_660x_clock_src_select(const struct ni_gpct *counter)
}
if (i <= NI_660X_MAX_SRC_PIN)
break;
- BUG();
+ WARN_ON(1);
break;
}
clock_source |= ni_tio_clock_src_modifiers(counter);
@@ -385,9 +385,9 @@ static void ni_tio_set_sync_mode(struct ni_gpct *counter, int force_alt_sync)
struct ni_gpct_device *counter_dev = counter->counter_dev;
unsigned cidx = counter->counter_index;
const unsigned counting_mode_reg = NITIO_CNT_MODE_REG(cidx);
- static const uint64_t min_normal_sync_period_ps = 25000;
+ static const u64 min_normal_sync_period_ps = 25000;
unsigned mode;
- uint64_t clock_period_ps;
+ u64 clock_period_ps;
if (ni_tio_counting_mode_registers_present(counter_dev) == 0)
return;
@@ -584,7 +584,7 @@ static unsigned ni_660x_clk_src(unsigned int clock_source)
if (i <= NI_660X_MAX_SRC_PIN)
break;
ni_660x_clock = 0;
- BUG();
+ WARN_ON(1);
break;
}
return GI_SRC_SEL(ni_660x_clock);
@@ -643,7 +643,7 @@ static unsigned ni_m_clk_src(unsigned int clock_source)
break;
pr_err("invalid clock source 0x%lx\n",
(unsigned long)clock_source);
- BUG();
+ WARN_ON(1);
ni_m_series_clock = 0;
break;
}
@@ -730,7 +730,7 @@ static void ni_tio_get_clock_src(struct ni_gpct *counter,
unsigned int *clock_source,
unsigned int *period_ns)
{
- uint64_t temp64;
+ u64 temp64;
*clock_source = ni_tio_generic_clock_src_select(counter);
temp64 = ni_tio_clock_period_ps(counter, *clock_source);
@@ -946,7 +946,7 @@ int ni_tio_set_gate_src(struct ni_gpct *counter, unsigned gate_index,
case ni_gpct_variant_660x:
return ni_660x_set_gate2(counter, gate_source);
default:
- BUG();
+ WARN_ON(1);
break;
}
break;
@@ -1015,7 +1015,7 @@ static unsigned ni_660x_gate_to_generic_gate(unsigned gate)
if (gate == NI_660X_PIN_GATE_SEL(i))
return NI_GPCT_GATE_PIN_GATE_SELECT(i);
}
- BUG();
+ WARN_ON(1);
break;
}
return 0;
@@ -1051,7 +1051,7 @@ static unsigned ni_m_gate_to_generic_gate(unsigned gate)
if (gate == NI_M_PFI_GATE_SEL(i))
return NI_GPCT_PFI_GATE_SELECT(i);
}
- BUG();
+ WARN_ON(1);
break;
}
return 0;
@@ -1083,7 +1083,7 @@ static unsigned ni_660x_gate2_to_generic_gate(unsigned gate)
if (gate == NI_660X_UD_PIN_GATE2_SEL(i))
return NI_GPCT_UP_DOWN_PIN_GATE_SELECT(i);
}
- BUG();
+ WARN_ON(1);
break;
}
return 0;
@@ -1119,7 +1119,7 @@ static int ni_tio_get_gate_src(struct ni_gpct *counter, unsigned gate_index,
}
gate = GI_BITS_TO_GATE(ni_tio_get_soft_copy(counter,
- NITIO_INPUT_SEL_REG(cidx)));
+ NITIO_INPUT_SEL_REG(cidx)));
switch (counter_dev->variant) {
case ni_gpct_variant_e_series:
--
1.9.1
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