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video: fbdev: amifb: add FIXMEs about {put,get}_user() failures

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Since we lack the hardware (or proper emulator setup) for
testing needed changes add FIXMEs to document the issues
(so at least they are not forgotten).

Cc: Al Viro <viro@zeniv.linux.org.uk>
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/380c0494-ed02-b2be-65b0-d385627fb894@samsung.com
This commit is contained in:
Bartlomiej Zolnierkiewicz 2020-06-02 13:52:13 +02:00
parent 40bf8c3ad4
commit cd7946c528
1 changed files with 2 additions and 0 deletions
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2
drivers/video/fbdev/amifb.c
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@ -1890,6 +1890,7 @@ static int ami_get_var_cursorinfo(struct fb_var_cursorinfo *var,
| ((datawords >> 15) & 1)); | ((datawords >> 15) & 1));
datawords <<= 1; datawords <<= 1;
#endif #endif
/* FIXME: check the return value + test the change */
put_user(color, data++); put_user(color, data++);
} }
if (bits > 0) { if (bits > 0) {
@ -1958,6 +1959,7 @@ static int ami_set_var_cursorinfo(struct fb_var_cursorinfo *var,
bits = 16; words = delta; datawords = 0; bits = 16; words = delta; datawords = 0;
for (width = (short)var->width - 1; width >= 0; width--) { for (width = (short)var->width - 1; width >= 0; width--) {
unsigned long tdata = 0; unsigned long tdata = 0;
/* FIXME: check the return value + test the change */
get_user(tdata, data); get_user(tdata, data);
data++; data++;
#ifdef __mc68000__ #ifdef __mc68000__