From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bartlomiej Zolnierkiewicz Date: Tue, 02 Jun 2020 11:52:13 +0000 Subject: [PATCH v2 2/2] video: fbdev: amifb: add FIXMEs about {put,get}_user() failures Message-Id: <380c0494-ed02-b2be-65b0-d385627fb894@samsung.com> List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org Cc: linux-m68k , Geert Uytterhoeven , linux-kernel@vger.kernel.org, Al Viro 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 Cc: Geert Uytterhoeven Signed-off-by: Bartlomiej Zolnierkiewicz --- v2: - rebased on top of updated patch #1/2 drivers/video/fbdev/amifb.c | 2 ++ 1 file changed, 2 insertions(+) Index: b/drivers/video/fbdev/amifb.c =================================--- a/drivers/video/fbdev/amifb.c +++ b/drivers/video/fbdev/amifb.c @@ -1892,6 +1892,7 @@ static int ami_get_var_cursorinfo(struct | ((datawords >> 15) & 1)); datawords <<= 1; #endif + /* FIXME: check the return value + test the change */ put_user(color, data++); } if (bits > 0) { @@ -1962,6 +1963,7 @@ static int ami_set_var_cursorinfo(struct bits = 16; words = delta; datawords = 0; for (width = (short)var->width - 1; width >= 0; width--) { unsigned long tdata = 0; + /* FIXME: check the return value + test the change */ get_user(tdata, data); data++; #ifdef __mc68000__