diff options
| -rw-r--r-- | drivers/staging/media/lirc/lirc_zilog.c | 2 | ||||
| -rw-r--r-- | include/media/lirc_dev.h | 8 |
2 files changed, 3 insertions, 7 deletions
diff --git a/drivers/staging/media/lirc/lirc_zilog.c b/drivers/staging/media/lirc/lirc_zilog.c index 567feba0011c..1ccf6262ab36 100644 --- a/drivers/staging/media/lirc/lirc_zilog.c +++ b/drivers/staging/media/lirc/lirc_zilog.c @@ -199,7 +199,7 @@ static void release_ir_device(struct kref *ref) lirc_unregister_driver(ir->l.minor); ir->l.minor = MAX_IRCTL_DEVICES; } - if (ir->rbuf.fifo_initialized) + if (kfifo_initialized(&ir->rbuf.fifo)) lirc_buffer_free(&ir->rbuf); list_del(&ir->list); kfree(ir); 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__); |