* [PATCH 3/9] drivers/firewire/core-iso.c: Convert to use vm_insert_range
@ 2018-11-15 15:47 ` Souptick Joarder
0 siblings, 0 replies; 2+ messages in thread
From: Souptick Joarder @ 2018-11-15 15:47 UTC (permalink / raw)
To: akpm, willy, mhocko, stefanr
Cc: linux-kernel, linux-mm, linux-arm-kernel, linux1394-devel
Convert to use vm_insert_range to map range of kernel memory
to user vma.
Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
Reviewed-by: Matthew Wilcox <willy@infradead.org>
---
drivers/firewire/core-iso.c | 15 ++-------------
1 file changed, 2 insertions(+), 13 deletions(-)
diff --git a/drivers/firewire/core-iso.c b/drivers/firewire/core-iso.c
index 35e784c..7bf28bb 100644
--- a/drivers/firewire/core-iso.c
+++ b/drivers/firewire/core-iso.c
@@ -107,19 +107,8 @@ int fw_iso_buffer_init(struct fw_iso_buffer *buffer, struct fw_card *card,
int fw_iso_buffer_map_vma(struct fw_iso_buffer *buffer,
struct vm_area_struct *vma)
{
- unsigned long uaddr;
- int i, err;
-
- uaddr = vma->vm_start;
- for (i = 0; i < buffer->page_count; i++) {
- err = vm_insert_page(vma, uaddr, buffer->pages[i]);
- if (err)
- return err;
-
- uaddr += PAGE_SIZE;
- }
-
- return 0;
+ return vm_insert_range(vma, vma->vm_start, buffer->pages,
+ buffer->page_count);
}
void fw_iso_buffer_destroy(struct fw_iso_buffer *buffer,
--
1.9.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [PATCH 3/9] drivers/firewire/core-iso.c: Convert to use vm_insert_range
@ 2018-11-15 15:47 ` Souptick Joarder
0 siblings, 0 replies; 2+ messages in thread
From: Souptick Joarder @ 2018-11-15 15:47 UTC (permalink / raw)
To: linux-arm-kernel
Convert to use vm_insert_range to map range of kernel memory
to user vma.
Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
Reviewed-by: Matthew Wilcox <willy@infradead.org>
---
drivers/firewire/core-iso.c | 15 ++-------------
1 file changed, 2 insertions(+), 13 deletions(-)
diff --git a/drivers/firewire/core-iso.c b/drivers/firewire/core-iso.c
index 35e784c..7bf28bb 100644
--- a/drivers/firewire/core-iso.c
+++ b/drivers/firewire/core-iso.c
@@ -107,19 +107,8 @@ int fw_iso_buffer_init(struct fw_iso_buffer *buffer, struct fw_card *card,
int fw_iso_buffer_map_vma(struct fw_iso_buffer *buffer,
struct vm_area_struct *vma)
{
- unsigned long uaddr;
- int i, err;
-
- uaddr = vma->vm_start;
- for (i = 0; i < buffer->page_count; i++) {
- err = vm_insert_page(vma, uaddr, buffer->pages[i]);
- if (err)
- return err;
-
- uaddr += PAGE_SIZE;
- }
-
- return 0;
+ return vm_insert_range(vma, vma->vm_start, buffer->pages,
+ buffer->page_count);
}
void fw_iso_buffer_destroy(struct fw_iso_buffer *buffer,
--
1.9.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
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2018-11-15 15:47 [PATCH 3/9] drivers/firewire/core-iso.c: Convert to use vm_insert_range Souptick Joarder
2018-11-15 15:47 ` Souptick Joarder
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