The file-op entry points fb_read() and fb_write() verify that
info->state has been set to FBINFO_STATE_RUNNING. Remove the same
test from the implementations of struct fb_ops.{fb_read,fb_write}.
v2:
* also remove test from ivtvfb, braodsheetfb, hecubafb and
metronomefb (Geert)
Signed-off-by: Thomas Zimmermann <[email protected]>
Tested-by: Sui Jingfeng <[email protected]>
Reviewed-by: Javier Martinez Canillas <[email protected]>
Reviewed-by: Geert Uytterhoeven <[email protected]>
Acked-by: Helge Deller <[email protected]>
---
drivers/media/pci/ivtv/ivtvfb.c | 3 ---
drivers/video/fbdev/broadsheetfb.c | 3 ---
drivers/video/fbdev/core/fb_sys_fops.c | 6 ------
drivers/video/fbdev/hecubafb.c | 3 ---
drivers/video/fbdev/metronomefb.c | 3 ---
drivers/video/fbdev/sm712fb.c | 6 ------
6 files changed, 24 deletions(-)
diff --git a/drivers/media/pci/ivtv/ivtvfb.c b/drivers/media/pci/ivtv/ivtvfb.c
index 00ac94d4ab19..22123a25daea 100644
--- a/drivers/media/pci/ivtv/ivtvfb.c
+++ b/drivers/media/pci/ivtv/ivtvfb.c
@@ -378,9 +378,6 @@ static ssize_t ivtvfb_write(struct fb_info *info, const
char __user *buf,
unsigned long dma_size;
u16 lead = 0, tail = 0;
- if (info->state != FBINFO_STATE_RUNNING)
- return -EPERM;
-
total_size = info->screen_size;
if (total_size == 0)
diff --git a/drivers/video/fbdev/broadsheetfb.c
b/drivers/video/fbdev/broadsheetfb.c
index 65dc86b7081e..691de5df581b 100644
--- a/drivers/video/fbdev/broadsheetfb.c
+++ b/drivers/video/fbdev/broadsheetfb.c
@@ -1013,9 +1013,6 @@ static ssize_t broadsheetfb_write(struct fb_info *info,
const char __user *buf,
int err = 0;
unsigned long total_size;
- if (info->state != FBINFO_STATE_RUNNING)
- return -EPERM;
-
total_size = info->fix.smem_len;
if (p > total_size)
diff --git a/drivers/video/fbdev/core/fb_sys_fops.c
b/drivers/video/fbdev/core/fb_sys_fops.c
index 6589123f4127..7dee5d3c7fb1 100644
--- a/drivers/video/fbdev/core/fb_sys_fops.c
+++ b/drivers/video/fbdev/core/fb_sys_fops.c
@@ -22,9 +22,6 @@ ssize_t fb_sys_read(struct fb_info *info, char __user *buf,
size_t count,
unsigned long total_size, c;
ssize_t ret;
- if (info->state != FBINFO_STATE_RUNNING)
- return -EPERM;
-
total_size = info->screen_size;
if (total_size == 0)
@@ -64,9 +61,6 @@ ssize_t fb_sys_write(struct fb_info *info, const char __user
*buf,
unsigned long total_size, c;
size_t ret;
- if (info->state != FBINFO_STATE_RUNNING)
- return -EPERM;
-
total_size = info->screen_size;
if (total_size == 0)
diff --git a/drivers/video/fbdev/hecubafb.c b/drivers/video/fbdev/hecubafb.c
index ddfa2853cc41..a2996d39f918 100644
--- a/drivers/video/fbdev/hecubafb.c
+++ b/drivers/video/fbdev/hecubafb.c
@@ -163,9 +163,6 @@ static ssize_t hecubafb_write(struct fb_info *info, const
char __user *buf,
int err = 0;
unsigned long total_size;
- if (info->state != FBINFO_STATE_RUNNING)
- return -EPERM;
-
total_size = info->fix.smem_len;
if (p > total_size)
diff --git a/drivers/video/fbdev/metronomefb.c
b/drivers/video/fbdev/metronomefb.c
index afa9b41f5a87..2bb068cadac6 100644
--- a/drivers/video/fbdev/metronomefb.c
+++ b/drivers/video/fbdev/metronomefb.c
@@ -523,9 +523,6 @@ static ssize_t metronomefb_write(struct fb_info *info,
const char __user *buf,
int err = 0;
unsigned long total_size;
- if (info->state != FBINFO_STATE_RUNNING)
- return -EPERM;
-
total_size = info->fix.smem_len;
if (p > total_size)
diff --git a/drivers/video/fbdev/sm712fb.c b/drivers/video/fbdev/sm712fb.c
index b528776c7612..6f852cd756c5 100644
--- a/drivers/video/fbdev/sm712fb.c
+++ b/drivers/video/fbdev/sm712fb.c
@@ -1031,9 +1031,6 @@ static ssize_t smtcfb_read(struct fb_info *info, char
__user *buf,
if (!info || !info->screen_base)
return -ENODEV;
- if (info->state != FBINFO_STATE_RUNNING)
- return -EPERM;
-
total_size = info->screen_size;
if (total_size == 0)
@@ -1097,9 +1094,6 @@ static ssize_t smtcfb_write(struct fb_info *info, const
char __user *buf,
if (!info || !info->screen_base)
return -ENODEV;
- if (info->state != FBINFO_STATE_RUNNING)
- return -EPERM;
-
total_size = info->screen_size;
if (total_size == 0)
--
2.40.0
