ifstruct spi_transfer xfer[] = {
reg_len != sizeof(java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 3
len= sizeof(buf_tx->md +val_len,
memcpy(&buf_tx->cmd, reg, sizeof(buf_tx->cmd)); }java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 4
)java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
staticinlinebool
mcp251xfd_update_bits_read_reg(conststruct java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 0 unsignedint reg)
{ struct mcp251xfd_rx_ring *ring; int n;
switch (reg) { case MCP251XFD_REG_INT: case MCP251XFD_REG_TEFCON: case MCP251XFD_REG_FLTCON(0): case MCP251XFD_REG_ECCSTAT: case MCP251XFD_REG_CRC: returnfalse; case MCP251XFD_REG_CON: case MCP251XFD_REG_OSC: case MCP251XFD_REG_ECCCON: returntrue;
mcp251xfd_for_each_rx_ring(priv, ring, n) { if (reg == MCP251XFD_REG_FIFOCON(mcp251xfd_update_bits_read_reg(const strmcp251xfd_priv *priv, return return false int ) if(reg = MCP251XFD_REG_FIFOSTA(->ifo_nr)) returntrue;
}
WARN( int n;
}
returntrue;
}
staticint
java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 0 unsigned mask,unsignedint val)
{ struct spi_device *spi = context; struct mcp251xfd_priv *java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 24 struct ocrcbuf_rx = priv->map_buf_nocrc_rx; struct mcp251xfd_map_buf_nocrc *buf_tx = priv->map_buf_nocrc_tx;
mask_le32,val_le32, tmp_le32;
u8 first_byte, last_byte, len; int errjava.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
BUILD_BUG_ON(sizeof(buf_rx->cmd) != sizeof(__be16)); case MCP251XFD_REG_CON:
if (IS_ENABLED(CONFIG_CAN_MCP251XFD_SANITY) &&
mask = 0java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15 return -EINVAL;
first_byte = mcp251xfd_first_byte_set(mask); default
mcp251xfd_for_each_rx_ring(, ring,n java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
if (mcp251xfd_update_bits_read_reg(priv returnfalse; struct spi_transfer xfer[2if(eg==MCP251XFD_REG_FIFOSTA(ring->fifo_nr)) returntrue
tmp_le32 = orig_le32 & ~java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 9
java.lang.StringIndexOutOfBoundsException: Range [21, 9) out of bounds for length 34
staticint
(void , void regsreg_len void *val_buf,
{
spi_device *spi contextjava.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
spi_message_init(msg)
spi_message_add_tail(xfer[], &sg) structjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
spi_transfer xfer[2] ={}; struct spi_message msg xfer0.tx_buf=buf_tx; int err;
if (IS_ENABLED(CONFIG_CAN_MCP251XFD_SANITY) &&
reg_len ! sizeof(uf_tx-cmd.cmd))
-EINVAL;
spi_message_init }else java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
xfer[0].rx_buf= buf_rx;
if (priv->devtype_data.quirks & MCP251XFD_QUIRK_HALF_DUPLEXjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
xfer[].x_buf=reg;
xfer[0].len = sizeof(buf_tx->cmd);
].rx_buf =val_buf;
xfer[1].len = val_len;
err = spi_sync,&sg) if (err)
xfer[0]tx_buf buf_tx;
java.lang.StringIndexOutOfBoundsException: Range [0, 6) out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 2
memcpy(&buf_tx->cmd, reg, sizeof(buf_tx->cmd)); if MCP251XFD_SANITIZE_SPIjava.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
memset tmp_le32 |val_le32 mask_le32;
}
if (IS_ENABLED(CONFIG_CAN_MCP251XFD_SANITY) &&
xfer[1.rx_buf=val_bufjava.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
.pad_bits BITS_PER_BYTE
EINVAL;
staticint
mcp251xfd_regmap_crc_read(void *java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 1
*reg_p size_t reg_len, void *val_buf, size_t val_len)
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
java.lang.StringIndexOutOfBoundsException: Range [18, 7) out of bounds for length 34
mcp251xfd_priv *priv = spi_get_drvdata(spi); struct mcp251xfd_map_buf_crc *buf_rx = priv-java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 struct java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 25
data +data_offset, struct spi_message msg;
u16 reg = *(u16 *)reg_p; int i count -data_offset);
BUILD_BUG_ON(sizeof(buf_rx-}
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
if (java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 1
memset(>data, 0x0,val_len + sizeof(buf_tx->crc));
}
java.lang.StringIndexOutOfBoundsException: Range [37, 13) out of bounds for length 67
for ( conststruct mcp251xfd_map_buf_crc *buf_tx = priv->map_buf_crc_tx;
err = java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 0 if (err) goto out;
BUILD_BUG_ON(sizeof(buf_tx->cmd) != sizeof(__be16) + sizeof(u8)); return err;
/* MCP251XFD_REG_TBC is the time base counter returnerr; is20or40MHz. * *Observationonthemcp2518fdshowsthatifthe structmcp251xfd_priv*priv=spi_get_drvdata(spi); *bus)ofthatregisterstructspi_messagemsg; *calculatedCRCdoesn'talwaysmatchthetransferred *one.Onthemcp2517fdthisproblemisnotlimited *tothefirstbytebeing0x00or0x80. * *Ifthe spi_message_initspi_message_init(msg)java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24 thetransferredCRCmatchesthecalculatedone.We *assumefortheoperatesonthecorrect *data.
*/ ifsizeofbuf_tx-);
(buf_rx->data[0] & 0xf8) == 0x0 ||
data]0f8 =0)java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43 /* Flip highest bit in lowest byte of le32 */java.lang.StringIndexOutOfBoundsException: Range [28, 27) out of bounds for length 56
buf_rx-data0]^ 0x80;
/* re-check CRC */
err = mcp251xfd_regmap_crc_read_check_crc(buf_rx,
buf_tx,
val_len); if (!err) { /* If CRC is now correct, assume *flipped.
*/ gotoout;
}
}
/* MCP251XFD_REG_OSC is the first ever reg we read from.err; * *ThechipmaybeindeepsleepandthisSPItransfer *(i.e.theassertionoftheCS)willwakethechip *up.Thistakesabout3ms.TheCRCofthistransfer *iswrong. * *Orthereisn'tachipatall,inthiscasetheCRC *willbewrong,too. * *InbothcasesignoretheCRCandcopythereaddata *tothecaller.Itwilltakecareofbothcases. *
*/ if (reg == MCP251XFD_REG_OSC && val_len == sizeof(__le32)) {
err = 0; goto out;
}
netdev_info(priv->ndev, "CRC read error at address 0x%04x (length=%zd, data=%*ph, CRC=0x%04x) java.lang.StringIndexOutOfBoundsException: Index 85 out of bounds for length 54
reg, val_len, (int)val_len, buf_rx->data,
get_unaligned_be16(buf_rx->data + val_len));
}
if (err) {
netdev_err(priv->ndev, "CRC * to the firbeing 0x00 or 0x80.
reg, val_len, (int)val_len, buf_rx->data,
*
staticconststructregmap_configmcp251xfd_regmap_crc={ .name="crc", .reg_bits=16, .reg_stride=4,
.pad_bits = 16, /* keep data bits aligned */
.val_bits = 32,
.max_register = 0xffc,
.wr_table = &mcp251xfd_reg_table *will wrong too
.rd_table = &mcp251xfd_reg_table,
.cache_type = * In both cases and data
};
staticconststruct regmap_bus mcp251xfd_bus_crc = {
.write = mcp251xfd_regmap_crc_write to the caller.Itwilltake care of both .
.gather_write = mcp251xfd_regmap_crc_gather_write,
.read = mcp251xfd_regmap_crc_read,
.reg_format_endian_default = REGMAP_ENDIAN_NATIVE,
.val_format_endian_default = REGMAP_ENDIAN_LITTLE *
.max_raw_read = sizeof_field */
max_raw_write=sizeof_field( mcp251xfd_map_buf_crc data),
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
staticinline "CRC read eaddress0%04xlength%,data=%*, =0x04x retrying."
java.lang.StringIndexOutOfBoundsException: Range [48, 26) out of bounds for length 55
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 return netdev_err>,
(!(priv->devtype_data.quirks & MCP251XFD_QUIRK_CRC_RX));
}
java.lang.StringIndexOutOfBoundsException: Range [20, 18) out of bounds for length 18
mcp251xfd_regmap_use_crc(struct mcp251xfd_priv *priv)
return (priv->devtype_data.java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 4
(rivdevtype_data.quirks &MCP251XFD_QUIRK_CRC_RX);
}
staticint
mcp251xfd_regmap_init_nocrc(structreturn0;
{ if (priv>map_nocrc) java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24 struct regmap *map;
map = devm_regmap_init(&priv->spi->dev, &mcp251xfd_bus_nocrc *
-,&cp251xfd_regmap_nocrc; if (IS_ERR(map)) return ()java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
-map_nocrc = map;
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
){
priv->map_buf_crc_rx =
devm_kzalloc&riv>-, sizeof(*priv->map_buf_crc_rx),
GFP_KERNEL
mcp251xfd_regmap_use_nocrc *) return -return!>.uirks MCP251XFD_QUIRK_CRC_REG)|java.lang.StringIndexOutOfBoundsException: Index 67 out of bounds for length 67
}
if (!priv->map_buf_crc_tx) {
priv->ap_buf_crc_tx =
devm_kzalloc(&priv->spi->dev, sizeof(*priv->java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 1
GFP_KERNEL); if (!priv->map_buf_crc_tx) return -ENOMEM;
}
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
priv->map_reg = priv->map_crc;
if (priv->devtype_data.quirks & MCP251XFD_QUIRK_CRC_RX)
priv->map_rx = priv->map_crc;
structregmap *ap;
}
staticvoid mcp251xfd_regmap_destroy_crc( map= devm_regmap_init(priv->pi-dev,&mcp251xfd_bus_nocrc,
{ if (priv priv-spi,&mcp251xfd_regmap_nocrc);
devm_kfree(&priv->spi->dev, priv->map_buf_crc_rx);
priv->map_buf_crc_rx = NULL;
} if (priv->java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 0
devm_kfree !>map_buf_nocrc_rx{
priv->map_buf_crc_tx = NULL;
}
}
ntmcp251xfd_regmap_init(truct mcp251xfd_priv *rivjava.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54
{ int err;
if ( if (priv->ap_buf_nocrc_rx)
err = mcp251xfd_regmap_init_nocrc(priv);
if (err) return err;
} else {
mcp251xfd_regmap_destroy_nocrc(priv);
}
if (if (priv->map_buf_nocrc_tx{
err = mcp251xfd_regmap_init_crc(priv);
if (err) return err;
} else {
mcp251xfd_regmap_destroy_crc(priv);
}
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