#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/slab.h>
+#include <linux/smp_lock.h>
#include <linux/usb.h>
#include <linux/mm.h>
struct stk_camera *dev = priv;
struct stk_sio_buffer *sbuf;
- if (buf->index < 0 || buf->index >= dev->n_sbufs)
+ if (buf->index >= dev->n_sbufs)
return -EINVAL;
sbuf = dev->sio_bufs + buf->index;
*buf = sbuf->v4lbuf;
if (buf->memory != V4L2_MEMORY_MMAP)
return -EINVAL;
- if (buf->index < 0 || buf->index >= dev->n_sbufs)
+ if (buf->index >= dev->n_sbufs)
return -EINVAL;
sbuf = dev->sio_bufs + buf->index;
if (sbuf->v4lbuf.flags & V4L2_BUF_FLAG_QUEUED)