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Avoid division by zero in serial.

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Vladimir Serbinenko committed 2015-01-21 17:42:13 +01:00
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2015-01-20 Vladimir Serbinenko <phcoder@gmail.com>
Avoid division by zero in serial.
* grub-core/term/serial.c (grub_cmd_serial): Ensure speed is not 0.
* grub-core/term/ns8250.c (serial_get_divisor): Exit if speed is 0.
2015-01-20 Vladimir Serbinenko <phcoder@gmail.com>
* grub-core/video/readers/jpeg.c: Avoid sivision by zero.