staging: xgifb: validate the mode against video memory size

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It's possible to select video mode that exceeds the available video
memory. This is potentially dangerous, fix by adding a check.

The patch fixes system hangs seen occasionally when playing random videos
with mplayer.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Aaro Koskinen 2012-09-12 00:44:37 +03:00 • committed by Greg Kroah-Hartman

parent f325129ae9

commit a09f347c6c

1 changed files with 9 additions and 2 deletions

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drivers/staging/xgifb/XGI_main_26.c

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