Dan Carpenter c3364cbc37 video: fbdev: fbcvt.c: fix printing in fb_cvt_print_name() ... [ Upstream commit 78482af095 ] This code has two bugs: 1) "cnt" is 255 but the size of the buffer is 256 so the last byte is not used. 2) If we try to print more than 255 characters then "cnt" will be negative and that will trigger a WARN() in snprintf(). The fix for this is to use scnprintf() instead of snprintf(). We can re-write this code to be cleaner: 1) Rename "offset" to "off" because that's shorter. 2) Get rid of the "cnt" variable and just use "size - off" directly. 3) Get rid of the "read" variable and just increment "off" directly. Fixes: 96fe6a2109 ("fbdev: Add VESA Coordinated Video Timings (CVT) support") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Helge Deller <deller@gmx.de> Signed-off-by: Sasha Levin <sashal@kernel.org>		2022-04-08 14:23:15 +02:00
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backlight	backlight: qcom-wled: Respect enabled-strings in set_brightness	2022-01-27 11:03:46 +01:00
console	fbcon: Add option to enable legacy hardware acceleration	2022-02-08 18:34:06 +01:00
fbdev	video: fbdev: fbcvt.c: fix printing in fb_cvt_print_name()	2022-04-08 14:23:15 +02:00
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