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/openbmc/linux/drivers/gpu/drm/bridge/ |
H A D | sil-sii8620.c | 9378cecb Wed Nov 22 03:08:38 CST 2017 Maciej Purski <m.purski@samsung.com> drm/bridge/sii8620: fix potential buffer overflow
Buffer overflow error should not occur, as mode_fixup() callback filters pixel clock value and it should never exceed 600000. However, current implementation is not obviously safe and relies on implementation of mode_fixup().
Make 'i' variable never reach unsafe value in order to avoid buffer overflow error.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Fixes: bf1722ca ("drm/bridge/sii8620: rewrite hdmi start sequence") Signed-off-by: Maciej Purski <m.purski@samsung.com> Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> Link: https://patchwork.freedesktop.org/patch/msgid/1511341718-6974-1-git-send-email-m.purski@samsung.com 9378cecb Wed Nov 22 03:08:38 CST 2017 Maciej Purski <m.purski@samsung.com> drm/bridge/sii8620: fix potential buffer overflow Buffer overflow error should not occur, as mode_fixup() callback filters pixel clock value and it should never exceed 600000. However, current implementation is not obviously safe and relies on implementation of mode_fixup(). Make 'i' variable never reach unsafe value in order to avoid buffer overflow error. Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Fixes: bf1722ca ("drm/bridge/sii8620: rewrite hdmi start sequence") Signed-off-by: Maciej Purski <m.purski@samsung.com> Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> Link: https://patchwork.freedesktop.org/patch/msgid/1511341718-6974-1-git-send-email-m.purski@samsung.com
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