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omapfb: get rid of pointless access_ok() calls

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address is passed only to copy_to_user()

Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2020-04-23 10:29:49 -04:00
parent 694b9a7157
commit 9053fc91e3
1 changed files with 0 additions and 3 deletions
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drivers/video/fbdev/omap2/omapfb/omapfb-ioctl.c
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@ -482,9 +482,6 @@ static int omapfb_memory_read(struct fb_info *fbi,
if (!display || !display->driver->memory_read)
return -ENOENT;
if (!access_ok(mr->buffer, mr->buffer_size))
return -EFAULT;
if (mr->w > 4096 || mr->h > 4096)
return -EINVAL;