FreeCalypso > hg > freecalypso-tools

annotate old/linux-2.6.37.6-ftdi_sio.c.patch @ 1011:6d9b10633f10 default tip

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etmsync Pirelli IMEI retrieval: fix poor use of printf() Bug reported by Vadim Yanitskiy <fixeria@osmocom.org>: the construct where a static-allocated string was passed to printf() without any format arguments causes newer compilers to report a security problem. Given that formatted output is not needed here, just fixed string output, change printf() to fputs(), and direct the error message to stderr while at it.
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 23 May 2024 17:29:57 +0000
parents 40f44aa49dd0
children
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1 --- ftdi_sio.c.orig 2011-03-27 11:01:41.000000000 -0800
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2 +++ ftdi_sio.c 2015-10-30 13:18:40.879000032 -0800
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3 @@ -949,7 +949,7 @@
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4 static const unsigned char divfrac[8] = { 0, 3, 2, 4, 1, 5, 6, 7 };
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5 __u32 divisor;
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6 /* divisor shifted 3 bits to the left */
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7 - int divisor3 = base / 2 / baud;
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8 + int divisor3 = (base / 2 + baud / 2) / baud;
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9 divisor = divisor3 >> 3;
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10 divisor |= (__u32)divfrac[divisor3 & 0x7] << 14;
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11 /* Deal with special cases for highest baud rates. */
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12 @@ -1087,6 +1087,17 @@
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13 baud = tty_get_baud_rate(tty);
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14 dbg("%s - tty_get_baud_rate reports speed %d", __func__, baud);
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16 + /*
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17 + * FreeCalypso hack: translate non-std high
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18 + * baud rates for GSM like CP2102 does.
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19 + */
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20 + if (baud == 230400)
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21 + baud = 203125;
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22 + else if (baud == 460800)
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23 + baud = 406250;
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24 + else if (baud == 921600)
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25 + baud = 812500;
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26 +
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27 /* 2. Observe async-compatible custom_divisor hack, update baudrate
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28 if needed */
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