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Subject: media: videobuf2: Rename offset parameter
Author: Benjamin Gaignard <benjamin.gaign...@collabora.com>
Date: Thu Nov 9 17:29:13 2023 +0100
Rename 'off' parameter to 'offset' to clarify the code.
Signed-off-by: Benjamin Gaignard <benjamin.gaign...@collabora.com>
Reviewed-by: Andrzej Pietrasiewicz <andrze...@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-ci...@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mche...@kernel.org>
drivers/media/common/videobuf2/videobuf2-core.c | 28 ++++++++++++-------------
1 file changed, 14 insertions(+), 14 deletions(-)
---
diff --git a/drivers/media/common/videobuf2/videobuf2-core.c
b/drivers/media/common/videobuf2/videobuf2-core.c
index 27aee92f3eea..e5fd7ff0dae6 100644
--- a/drivers/media/common/videobuf2/videobuf2-core.c
+++ b/drivers/media/common/videobuf2/videobuf2-core.c
@@ -356,23 +356,23 @@ static void __setup_offsets(struct vb2_buffer *vb)
{
struct vb2_queue *q = vb->vb2_queue;
unsigned int plane;
- unsigned long off = 0;
+ unsigned long offset = 0;
if (vb->index) {
struct vb2_buffer *prev = q->bufs[vb->index - 1];
struct vb2_plane *p = &prev->planes[prev->num_planes - 1];
- off = PAGE_ALIGN(p->m.offset + p->length);
+ offset = PAGE_ALIGN(p->m.offset + p->length);
}
for (plane = 0; plane < vb->num_planes; ++plane) {
- vb->planes[plane].m.offset = off;
+ vb->planes[plane].m.offset = offset;
dprintk(q, 3, "buffer %d, plane %d offset 0x%08lx\n",
- vb->index, plane, off);
+ vb->index, plane, offset);
- off += vb->planes[plane].length;
- off = PAGE_ALIGN(off);
+ offset += vb->planes[plane].length;
+ offset = PAGE_ALIGN(offset);
}
}
@@ -2185,10 +2185,10 @@ int vb2_core_streamoff(struct vb2_queue *q, unsigned
int type)
EXPORT_SYMBOL_GPL(vb2_core_streamoff);
/*
- * __find_plane_by_offset() - find plane associated with the given offset off
+ * __find_plane_by_offset() - find plane associated with the given offset
*/
-static int __find_plane_by_offset(struct vb2_queue *q, unsigned long off,
- unsigned int *_buffer, unsigned int *_plane)
+static int __find_plane_by_offset(struct vb2_queue *q, unsigned long offset,
+ unsigned int *_buffer, unsigned int *_plane)
{
struct vb2_buffer *vb;
unsigned int buffer, plane;
@@ -2218,7 +2218,7 @@ static int __find_plane_by_offset(struct vb2_queue *q,
unsigned long off,
vb = q->bufs[buffer];
for (plane = 0; plane < vb->num_planes; ++plane) {
- if (vb->planes[plane].m.offset == off) {
+ if (vb->planes[plane].m.offset == offset) {
*_buffer = buffer;
*_plane = plane;
return 0;
@@ -2304,7 +2304,7 @@ EXPORT_SYMBOL_GPL(vb2_core_expbuf);
int vb2_mmap(struct vb2_queue *q, struct vm_area_struct *vma)
{
- unsigned long off = vma->vm_pgoff << PAGE_SHIFT;
+ unsigned long offset = vma->vm_pgoff << PAGE_SHIFT;
struct vb2_buffer *vb;
unsigned int buffer = 0, plane = 0;
int ret;
@@ -2335,7 +2335,7 @@ int vb2_mmap(struct vb2_queue *q, struct vm_area_struct
*vma)
* Find the plane corresponding to the offset passed by userspace. This
* will return an error if not MEMORY_MMAP or file I/O is in progress.
*/
- ret = __find_plane_by_offset(q, off, &buffer, &plane);
+ ret = __find_plane_by_offset(q, offset, &buffer, &plane);
if (ret)
goto unlock;
@@ -2380,7 +2380,7 @@ unsigned long vb2_get_unmapped_area(struct vb2_queue *q,
unsigned long pgoff,
unsigned long flags)
{
- unsigned long off = pgoff << PAGE_SHIFT;
+ unsigned long offset = pgoff << PAGE_SHIFT;
struct vb2_buffer *vb;
unsigned int buffer, plane;
void *vaddr;
@@ -2392,7 +2392,7 @@ unsigned long vb2_get_unmapped_area(struct vb2_queue *q,
* Find the plane corresponding to the offset passed by userspace. This
* will return an error if not MEMORY_MMAP or file I/O is in progress.
*/
- ret = __find_plane_by_offset(q, off, &buffer, &plane);
+ ret = __find_plane_by_offset(q, offset, &buffer, &plane);
if (ret)
goto unlock;
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