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Diffstat (limited to 'include/media')
-rw-r--r--include/media/lirc_dev.h8
1 files changed, 2 insertions, 6 deletions
diff --git a/include/media/lirc_dev.h b/include/media/lirc_dev.h
index 78f0637ca68d..05e7ad5d2c8b 100644
--- a/include/media/lirc_dev.h
+++ b/include/media/lirc_dev.h
@@ -29,14 +29,13 @@ struct lirc_buffer {
/* Using chunks instead of bytes pretends to simplify boundary checking
* And should allow for some performance fine tunning later */
struct kfifo fifo;
- u8 fifo_initialized;
};
static inline void lirc_buffer_clear(struct lirc_buffer *buf)
{
unsigned long flags;
- if (buf->fifo_initialized) {
+ if (kfifo_initialized(&buf->fifo)) {
spin_lock_irqsave(&buf->fifo_lock, flags);
kfifo_reset(&buf->fifo);
spin_unlock_irqrestore(&buf->fifo_lock, flags);
@@ -56,17 +55,14 @@ static inline int lirc_buffer_init(struct lirc_buffer *buf,
buf->chunk_size = chunk_size;
buf->size = size;
ret = kfifo_alloc(&buf->fifo, size * chunk_size, GFP_KERNEL);
- if (ret == 0)
- buf->fifo_initialized = 1;
return ret;
}
static inline void lirc_buffer_free(struct lirc_buffer *buf)
{
- if (buf->fifo_initialized) {
+ if (kfifo_initialized(&buf->fifo)) {
kfifo_free(&buf->fifo);
- buf->fifo_initialized = 0;
} else
WARN(1, "calling %s on an uninitialized lirc_buffer\n",
__func__);