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Subject[PATCH 2/2] [media] pvrusb2-io: Add some spaces for better code readability
From
Date
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Thu, 22 Dec 2016 20:25:39 +0100

Use space characters at some source code places according to
the Linux coding style convention.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
drivers/media/usb/pvrusb2/pvrusb2-io.c | 120 ++++++++++++++++-----------------
1 file changed, 60 insertions(+), 60 deletions(-)

diff --git a/drivers/media/usb/pvrusb2/pvrusb2-io.c b/drivers/media/usb/pvrusb2/pvrusb2-io.c
index a01510bfc84f..c89e037f72c3 100644
--- a/drivers/media/usb/pvrusb2/pvrusb2-io.c
+++ b/drivers/media/usb/pvrusb2/pvrusb2-io.c
@@ -37,13 +37,13 @@ static const char *pvr2_buffer_state_decode(enum pvr2_buffer_state);
if ((bp)->signature != BUFFER_SIG) { \
pvr2_trace(PVR2_TRACE_ERROR_LEGS, \
"Buffer %p is bad at %s:%d", \
- (bp),__FILE__,__LINE__); \
- pvr2_buffer_describe(bp,"BadSig"); \
+ (bp), __FILE__, __LINE__); \
+ pvr2_buffer_describe(bp, "BadSig"); \
BUG(); \
} \
} while (0)
#else
-#define BUFFER_CHECK(bp) do {} while(0)
+#define BUFFER_CHECK(bp) do {} while (0)
#endif

struct pvr2_stream {
@@ -110,7 +110,7 @@ static const char *pvr2_buffer_state_decode(enum pvr2_buffer_state st)
}

#ifdef SANITY_CHECK_BUFFERS
-static void pvr2_buffer_describe(struct pvr2_buffer *bp,const char *msg)
+static void pvr2_buffer_describe(struct pvr2_buffer *bp, const char *msg)
{
pvr2_trace(PVR2_TRACE_INFO,
"buffer%s%s %p state=%s id=%d status=%d stream=%p purb=%p sig=0x%x",
@@ -156,7 +156,7 @@ static void pvr2_buffer_remove(struct pvr2_buffer *bp)
(*bcnt) -= ccnt;
pvr2_trace(PVR2_TRACE_BUF_FLOW,
"/*---TRACE_FLOW---*/ bufferPool %8s dec cap=%07d cnt=%02d",
- pvr2_buffer_state_decode(bp->state),*bcnt,*cnt);
+ pvr2_buffer_state_decode(bp->state), *bcnt, *cnt);
bp->state = pvr2_buffer_state_none;
}

@@ -171,9 +171,9 @@ static void pvr2_buffer_set_none(struct pvr2_buffer *bp)
bp,
pvr2_buffer_state_decode(bp->state),
pvr2_buffer_state_decode(pvr2_buffer_state_none));
- spin_lock_irqsave(&sp->list_lock,irq_flags);
+ spin_lock_irqsave(&sp->list_lock, irq_flags);
pvr2_buffer_remove(bp);
- spin_unlock_irqrestore(&sp->list_lock,irq_flags);
+ spin_unlock_irqrestore(&sp->list_lock, irq_flags);
}

static int pvr2_buffer_set_ready(struct pvr2_buffer *bp)
@@ -188,18 +188,18 @@ static int pvr2_buffer_set_ready(struct pvr2_buffer *bp)
bp,
pvr2_buffer_state_decode(bp->state),
pvr2_buffer_state_decode(pvr2_buffer_state_ready));
- spin_lock_irqsave(&sp->list_lock,irq_flags);
+ spin_lock_irqsave(&sp->list_lock, irq_flags);
fl = (sp->r_count == 0);
pvr2_buffer_remove(bp);
- list_add_tail(&bp->list_overhead,&sp->ready_list);
+ list_add_tail(&bp->list_overhead, &sp->ready_list);
bp->state = pvr2_buffer_state_ready;
(sp->r_count)++;
sp->r_bcount += bp->used_count;
pvr2_trace(PVR2_TRACE_BUF_FLOW,
"/*---TRACE_FLOW---*/ bufferPool %8s inc cap=%07d cnt=%02d",
pvr2_buffer_state_decode(bp->state),
- sp->r_bcount,sp->r_count);
- spin_unlock_irqrestore(&sp->list_lock,irq_flags);
+ sp->r_bcount, sp->r_count);
+ spin_unlock_irqrestore(&sp->list_lock, irq_flags);
return fl;
}

@@ -214,17 +214,17 @@ static void pvr2_buffer_set_idle(struct pvr2_buffer *bp)
bp,
pvr2_buffer_state_decode(bp->state),
pvr2_buffer_state_decode(pvr2_buffer_state_idle));
- spin_lock_irqsave(&sp->list_lock,irq_flags);
+ spin_lock_irqsave(&sp->list_lock, irq_flags);
pvr2_buffer_remove(bp);
- list_add_tail(&bp->list_overhead,&sp->idle_list);
+ list_add_tail(&bp->list_overhead, &sp->idle_list);
bp->state = pvr2_buffer_state_idle;
(sp->i_count)++;
sp->i_bcount += bp->max_count;
pvr2_trace(PVR2_TRACE_BUF_FLOW,
"/*---TRACE_FLOW---*/ bufferPool %8s inc cap=%07d cnt=%02d",
pvr2_buffer_state_decode(bp->state),
- sp->i_bcount,sp->i_count);
- spin_unlock_irqrestore(&sp->list_lock,irq_flags);
+ sp->i_bcount, sp->i_count);
+ spin_unlock_irqrestore(&sp->list_lock, irq_flags);
}

static void pvr2_buffer_set_queued(struct pvr2_buffer *bp)
@@ -238,17 +238,17 @@ static void pvr2_buffer_set_queued(struct pvr2_buffer *bp)
bp,
pvr2_buffer_state_decode(bp->state),
pvr2_buffer_state_decode(pvr2_buffer_state_queued));
- spin_lock_irqsave(&sp->list_lock,irq_flags);
+ spin_lock_irqsave(&sp->list_lock, irq_flags);
pvr2_buffer_remove(bp);
- list_add_tail(&bp->list_overhead,&sp->queued_list);
+ list_add_tail(&bp->list_overhead, &sp->queued_list);
bp->state = pvr2_buffer_state_queued;
(sp->q_count)++;
sp->q_bcount += bp->max_count;
pvr2_trace(PVR2_TRACE_BUF_FLOW,
"/*---TRACE_FLOW---*/ bufferPool %8s inc cap=%07d cnt=%02d",
pvr2_buffer_state_decode(bp->state),
- sp->q_bcount,sp->q_count);
- spin_unlock_irqrestore(&sp->list_lock,irq_flags);
+ sp->q_bcount, sp->q_count);
+ spin_unlock_irqrestore(&sp->list_lock, irq_flags);
}

static void pvr2_buffer_wipe(struct pvr2_buffer *bp)
@@ -262,18 +262,18 @@ static int pvr2_buffer_init(struct pvr2_buffer *bp,
struct pvr2_stream *sp,
unsigned int id)
{
- memset(bp,0,sizeof(*bp));
+ memset(bp, 0, sizeof(*bp));
bp->signature = BUFFER_SIG;
bp->id = id;
pvr2_trace(PVR2_TRACE_BUF_POOL,
- "/*---TRACE_FLOW---*/ bufferInit %p stream=%p",bp,sp);
+ "/*---TRACE_FLOW---*/ bufferInit %p stream=%p", bp, sp);
bp->stream = sp;
bp->state = pvr2_buffer_state_none;
INIT_LIST_HEAD(&bp->list_overhead);
- bp->purb = usb_alloc_urb(0,GFP_KERNEL);
+ bp->purb = usb_alloc_urb(0, GFP_KERNEL);
if (! bp->purb) return -ENOMEM;
#ifdef SANITY_CHECK_BUFFERS
- pvr2_buffer_describe(bp,"create");
+ pvr2_buffer_describe(bp, "create");
#endif
return 0;
}
@@ -281,7 +281,7 @@ static int pvr2_buffer_init(struct pvr2_buffer *bp,
static void pvr2_buffer_done(struct pvr2_buffer *bp)
{
#ifdef SANITY_CHECK_BUFFERS
- pvr2_buffer_describe(bp,"delete");
+ pvr2_buffer_describe(bp, "delete");
#endif
pvr2_buffer_wipe(bp);
pvr2_buffer_set_none(bp);
@@ -292,7 +292,7 @@ static void pvr2_buffer_done(struct pvr2_buffer *bp)
bp);
}

-static int pvr2_stream_buffer_count(struct pvr2_stream *sp,unsigned int cnt)
+static int pvr2_stream_buffer_count(struct pvr2_stream *sp, unsigned int cnt)
{
int ret;
unsigned int scnt;
@@ -316,7 +316,7 @@ static int pvr2_stream_buffer_count(struct pvr2_stream *sp,unsigned int cnt)
nb = kmalloc_array(scnt, sizeof(*nb), GFP_KERNEL);
if (!nb) return -ENOMEM;
if (sp->buffer_slot_count) {
- memcpy(nb,sp->buffers,
+ memcpy(nb, sp->buffers,
sp->buffer_slot_count * sizeof(*nb));
kfree(sp->buffers);
}
@@ -325,9 +325,9 @@ static int pvr2_stream_buffer_count(struct pvr2_stream *sp,unsigned int cnt)
}
while (sp->buffer_total_count < cnt) {
struct pvr2_buffer *bp;
- bp = kmalloc(sizeof(*bp),GFP_KERNEL);
+ bp = kmalloc(sizeof(*bp), GFP_KERNEL);
if (!bp) return -ENOMEM;
- ret = pvr2_buffer_init(bp,sp,sp->buffer_total_count);
+ ret = pvr2_buffer_init(bp, sp, sp->buffer_total_count);
if (ret) {
kfree(bp);
return -ENOMEM;
@@ -370,10 +370,10 @@ static int pvr2_stream_achieve_buffer_count(struct pvr2_stream *sp)

pvr2_trace(PVR2_TRACE_BUF_POOL,
"/*---TRACE_FLOW---*/ poolCheck stream=%p cur=%d tgt=%d",
- sp,sp->buffer_total_count,sp->buffer_target_count);
+ sp, sp->buffer_total_count, sp->buffer_target_count);

if (sp->buffer_total_count < sp->buffer_target_count) {
- return pvr2_stream_buffer_count(sp,sp->buffer_target_count);
+ return pvr2_stream_buffer_count(sp, sp->buffer_target_count);
}

cnt = 0;
@@ -383,7 +383,7 @@ static int pvr2_stream_achieve_buffer_count(struct pvr2_stream *sp)
cnt++;
}
if (cnt) {
- pvr2_stream_buffer_count(sp,sp->buffer_total_count - cnt);
+ pvr2_stream_buffer_count(sp, sp->buffer_total_count - cnt);
}

return 0;
@@ -394,7 +394,7 @@ static void pvr2_stream_internal_flush(struct pvr2_stream *sp)
struct list_head *lp;
struct pvr2_buffer *bp1;
while ((lp = sp->queued_list.next) != &sp->queued_list) {
- bp1 = list_entry(lp,struct pvr2_buffer,list_overhead);
+ bp1 = list_entry(lp, struct pvr2_buffer, list_overhead);
pvr2_buffer_wipe(bp1);
/* At this point, we should be guaranteed that no
completion callback may happen on this buffer. But it's
@@ -422,7 +422,7 @@ static void pvr2_stream_done(struct pvr2_stream *sp)
{
mutex_lock(&sp->mutex); do {
pvr2_stream_internal_flush(sp);
- pvr2_stream_buffer_count(sp,0);
+ pvr2_stream_buffer_count(sp, 0);
} while (0); mutex_unlock(&sp->mutex);
}

@@ -437,8 +437,8 @@ static void buffer_complete(struct urb *urb)
bp->status = 0;
pvr2_trace(PVR2_TRACE_BUF_FLOW,
"/*---TRACE_FLOW---*/ bufferComplete %p stat=%d cnt=%d",
- bp,urb->status,urb->actual_length);
- spin_lock_irqsave(&sp->list_lock,irq_flags);
+ bp, urb->status, urb->actual_length);
+ spin_lock_irqsave(&sp->list_lock, irq_flags);
if ((!(urb->status)) ||
(urb->status == -ENOENT) ||
(urb->status == -ECONNRESET) ||
@@ -459,12 +459,12 @@ static void buffer_complete(struct urb *urb)
(sp->buffers_failed)++;
pvr2_trace(PVR2_TRACE_TOLERANCE,
"stream %p ignoring error %d - fail count increased to %u",
- sp,urb->status,sp->fail_count);
+ sp, urb->status, sp->fail_count);
} else {
(sp->buffers_failed)++;
bp->status = urb->status;
}
- spin_unlock_irqrestore(&sp->list_lock,irq_flags);
+ spin_unlock_irqrestore(&sp->list_lock, irq_flags);
pvr2_buffer_set_ready(bp);
if (sp->callback_func) {
sp->callback_func(sp->callback_data);
@@ -474,9 +474,9 @@ static void buffer_complete(struct urb *urb)
struct pvr2_stream *pvr2_stream_create(void)
{
struct pvr2_stream *sp;
- sp = kzalloc(sizeof(*sp),GFP_KERNEL);
+ sp = kzalloc(sizeof(*sp), GFP_KERNEL);
if (!sp) return sp;
- pvr2_trace(PVR2_TRACE_INIT,"pvr2_stream_create: sp=%p",sp);
+ pvr2_trace(PVR2_TRACE_INIT, "pvr2_stream_create: sp=%p", sp);
pvr2_stream_init(sp);
return sp;
}
@@ -484,7 +484,7 @@ struct pvr2_stream *pvr2_stream_create(void)
void pvr2_stream_destroy(struct pvr2_stream *sp)
{
if (!sp) return;
- pvr2_trace(PVR2_TRACE_INIT,"pvr2_stream_destroy: sp=%p",sp);
+ pvr2_trace(PVR2_TRACE_INIT, "pvr2_stream_destroy: sp=%p", sp);
pvr2_stream_done(sp);
kfree(sp);
}
@@ -499,7 +499,7 @@ void pvr2_stream_setup(struct pvr2_stream *sp,
sp->dev = dev;
sp->endpoint = endpoint;
sp->fail_tolerance = tolerance;
- } while(0); mutex_unlock(&sp->mutex);
+ } while (0); mutex_unlock(&sp->mutex);
}

void pvr2_stream_set_callback(struct pvr2_stream *sp,
@@ -509,11 +509,11 @@ void pvr2_stream_set_callback(struct pvr2_stream *sp,
unsigned long irq_flags;
mutex_lock(&sp->mutex);
do {
- spin_lock_irqsave(&sp->list_lock,irq_flags);
+ spin_lock_irqsave(&sp->list_lock, irq_flags);
sp->callback_data = data;
sp->callback_func = func;
- spin_unlock_irqrestore(&sp->list_lock,irq_flags);
- } while(0);
+ spin_unlock_irqrestore(&sp->list_lock, irq_flags);
+ } while (0);
mutex_unlock(&sp->mutex);
}

@@ -522,7 +522,7 @@ void pvr2_stream_get_stats(struct pvr2_stream *sp,
int zero_counts)
{
unsigned long irq_flags;
- spin_lock_irqsave(&sp->list_lock,irq_flags);
+ spin_lock_irqsave(&sp->list_lock, irq_flags);
if (stats) {
stats->buffers_in_queue = sp->q_count;
stats->buffers_in_idle = sp->i_count;
@@ -536,7 +536,7 @@ void pvr2_stream_get_stats(struct pvr2_stream *sp,
sp->buffers_failed = 0;
sp->bytes_processed = 0;
}
- spin_unlock_irqrestore(&sp->list_lock,irq_flags);
+ spin_unlock_irqrestore(&sp->list_lock, irq_flags);
}

/* Query / set the nominal buffer count */
@@ -545,7 +545,7 @@ int pvr2_stream_get_buffer_count(struct pvr2_stream *sp)
return sp->buffer_target_count;
}

-int pvr2_stream_set_buffer_count(struct pvr2_stream *sp,unsigned int cnt)
+int pvr2_stream_set_buffer_count(struct pvr2_stream *sp, unsigned int cnt)
{
int ret;
if (sp->buffer_target_count == cnt) return 0;
@@ -553,7 +553,7 @@ int pvr2_stream_set_buffer_count(struct pvr2_stream *sp,unsigned int cnt)
do {
sp->buffer_target_count = cnt;
ret = pvr2_stream_achieve_buffer_count(sp);
- } while(0);
+ } while (0);
mutex_unlock(&sp->mutex);
return ret;
}
@@ -562,17 +562,17 @@ struct pvr2_buffer *pvr2_stream_get_idle_buffer(struct pvr2_stream *sp)
{
struct list_head *lp = sp->idle_list.next;
if (lp == &sp->idle_list) return NULL;
- return list_entry(lp,struct pvr2_buffer,list_overhead);
+ return list_entry(lp, struct pvr2_buffer, list_overhead);
}

struct pvr2_buffer *pvr2_stream_get_ready_buffer(struct pvr2_stream *sp)
{
struct list_head *lp = sp->ready_list.next;
if (lp == &sp->ready_list) return NULL;
- return list_entry(lp,struct pvr2_buffer,list_overhead);
+ return list_entry(lp, struct pvr2_buffer, list_overhead);
}

-struct pvr2_buffer *pvr2_stream_get_buffer(struct pvr2_stream *sp,int id)
+struct pvr2_buffer *pvr2_stream_get_buffer(struct pvr2_stream *sp, int id)
{
if (id < 0) return NULL;
if (id >= sp->buffer_total_count) return NULL;
@@ -596,7 +596,7 @@ void pvr2_stream_kill(struct pvr2_stream *sp)
if (sp->buffer_total_count != sp->buffer_target_count) {
pvr2_stream_achieve_buffer_count(sp);
}
- } while(0);
+ } while (0);
mutex_unlock(&sp->mutex);
}

@@ -630,18 +630,18 @@ int pvr2_buffer_queue(struct pvr2_buffer *bp)
usb_fill_bulk_urb(bp->purb, // struct urb *urb
sp->dev, // struct usb_device *dev
// endpoint (below)
- usb_rcvbulkpipe(sp->dev,sp->endpoint),
+ usb_rcvbulkpipe(sp->dev, sp->endpoint),
bp->ptr, // void *transfer_buffer
bp->max_count, // int buffer_length
buffer_complete,
bp);
- usb_submit_urb(bp->purb,GFP_KERNEL);
- } while(0);
+ usb_submit_urb(bp->purb, GFP_KERNEL);
+ } while (0);
mutex_unlock(&sp->mutex);
return ret;
}

-int pvr2_buffer_set_buffer(struct pvr2_buffer *bp,void *ptr,unsigned int cnt)
+int pvr2_buffer_set_buffer(struct pvr2_buffer *bp, void *ptr, unsigned int cnt)
{
int ret = 0;
unsigned long irq_flags;
@@ -650,7 +650,7 @@ int pvr2_buffer_set_buffer(struct pvr2_buffer *bp,void *ptr,unsigned int cnt)
sp = bp->stream;
mutex_lock(&sp->mutex);
do {
- spin_lock_irqsave(&sp->list_lock,irq_flags);
+ spin_lock_irqsave(&sp->list_lock, irq_flags);
if (bp->state != pvr2_buffer_state_idle) {
ret = -EPERM;
} else {
@@ -662,10 +662,10 @@ int pvr2_buffer_set_buffer(struct pvr2_buffer *bp,void *ptr,unsigned int cnt)
"/*---TRACE_FLOW---*/ bufferPool %8s cap cap=%07d cnt=%02d",
pvr2_buffer_state_decode(
pvr2_buffer_state_idle),
- bp->stream->i_bcount,bp->stream->i_count);
+ bp->stream->i_bcount, bp->stream->i_count);
}
- spin_unlock_irqrestore(&sp->list_lock,irq_flags);
- } while(0);
+ spin_unlock_irqrestore(&sp->list_lock, irq_flags);
+ } while (0);
mutex_unlock(&sp->mutex);
return ret;
}
--
2.11.0
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