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arm: remove dead assignments, spotted by clang analyzer

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Value stored is never read.

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Blue Swirl 2010-04-25 19:31:06 +00:00
parent 7f5b7d3e2c
commit 22ed1d3478
14 changed files with 31 additions and 39 deletions
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33
hw/smc91c111.c
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@ -160,7 +160,6 @@ static void smc91c111_do_tx(smc91c111_state *s)
int i;
int len;
int control;
int add_crc;
int packetnum;
uint8_t *p;
@ -187,20 +186,22 @@ static void smc91c111_do_tx(smc91c111_state *s)
len = 64;
}
#if 0
/* The card is supposed to append the CRC to the frame. However
none of the other network traffic has the CRC appended.
Suspect this is low level ethernet detail we don't need to worry
about. */
add_crc = (control & 0x10) || (s->tcr & TCR_NOCRC) == 0;
if (add_crc) {
uint32_t crc;
{
int add_crc;
crc = crc32(~0, p, len);
memcpy(p + len, &crc, 4);
len += 4;
/* The card is supposed to append the CRC to the frame.
However none of the other network traffic has the CRC
appended. Suspect this is low level ethernet detail we
don't need to worry about. */
add_crc = (control & 0x10) || (s->tcr & TCR_NOCRC) == 0;
if (add_crc) {
uint32_t crc;
crc = crc32(~0, p, len);
memcpy(p + len, &crc, 4);
len += 4;
}
}
#else
add_crc = 0;
#endif
if (s->ctr & CTR_AUTO_RELEASE)
/* Race? */
@ -670,14 +671,14 @@ static ssize_t smc91c111_receive(VLANClientState *nc, const uint8_t *buf, size_t
*(p++) = crc & 0xff; crc >>= 8;
*(p++) = crc & 0xff; crc >>= 8;
*(p++) = crc & 0xff; crc >>= 8;
*(p++) = crc & 0xff; crc >>= 8;
*(p++) = crc & 0xff;
}
if (size & 1) {
*(p++) = buf[size - 1];
*(p++) = 0x60;
*p = 0x60;
} else {
*(p++) = 0;
*(p++) = 0x40;
*p = 0x40;
}
/* TODO: Raise early RX interrupt? */
s->int_level |= INT_RCV;