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aty: use memory_read_from_buffer()

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Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Akinobu Mita 2008-07-23 21:31:33 -07:00 committed by Linus Torvalds
parent 1c554ff955
commit a882ef47c7
1 changed files with 1 additions and 9 deletions
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10
drivers/video/aty/radeon_base.c
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@ -2098,15 +2098,7 @@ static void radeon_identify_vram(struct radeonfb_info *rinfo)
static ssize_t radeon_show_one_edid(char *buf, loff_t off, size_t count, const u8 *edid) static ssize_t radeon_show_one_edid(char *buf, loff_t off, size_t count, const u8 *edid)
{ {
if (off > EDID_LENGTH) return memory_read_from_buffer(buf, count, &off, edid, EDID_LENGTH);
return 0;
if (off + count > EDID_LENGTH)
count = EDID_LENGTH - off;
memcpy(buf, edid + off, count);
return count;
} }