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trivial patches for 2014-08-15 

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Merge remote-tracking branch 'remotes/mjt/tags/trivial-patches-2014-08-15' into staging

trivial patches for 2014-08-15

# gpg: Signature made Fri 15 Aug 2014 16:13:03 BST using RSA key ID A4C3D7DB
# gpg: Good signature from "Michael Tokarev <mjt@tls.msk.ru>"
# gpg:                 aka "Michael Tokarev <mjt@corpit.ru>"
# gpg:                 aka "Michael Tokarev <mjt@debian.org>"
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 6EE1 95D1 886E 8FFB 810D  4324 457C E0A0 8044 65C5
#      Subkey fingerprint: 6F67 E18E 7C91 C5B1 5514  66A7 BEE5 9D74 A4C3 D7DB

* remotes/mjt/tags/trivial-patches-2014-08-15:
  ivshmem: check the value returned by fstat()
  l2cap: fix access to freed memory
  intc: i8259: Convert Array allocation to g_new0
  ppc: convert g_new(qemu_irq usages to g_new0
  ssi: xilinx_spi: Initialise CS GPIOs as NULL
  vl: free err
  qemu-options.hx: fix typo about l2tpv3
  vmxnet3: don't use 'Yoda conditions'
  vl: don't use 'Yoda conditions'
  spice: don't use 'Yoda conditions'
  don't use 'Yoda conditions'
  isa-bus: don't use 'Yoda conditions'
  audio: don't use 'Yoda conditions'
  usb: don't use 'Yoda conditions'
  CODING_STYLE: Section about conditional statement
  pci-host: update uncorresponding description
  pci-host: update obsolete reference about piix_pci.c
  qemu-options.hx: fix a typo of chardev
  memory: Update obsolete comment about AddrRange field type
  apic: Fix reported DFR content

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2014-08-15 18:44:47 +01:00
parent f2c85a2f36 5edbdbcdf8
commit 142f4ac5d5
28 changed files with 62 additions and 42 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
CODING_STYLE
View File

@ -91,3 +91,17 @@ Mixed declarations (interleaving statements and declarations within blocks)
are not allowed; declarations should be at the beginning of blocks. In other
words, the code should not generate warnings if using GCC's
-Wdeclaration-after-statement option.
6. Conditional statements
When comparing a variable for (in)equality with a constant, list the
constant on the right, as in:
if (a == 1) {
/* Reads like: "If a equals 1" */
do_something();
}
Rationale: Yoda conditions (as in 'if (1 == a)') are awkward to read.
Besides, good compilers already warn users when '==' is mis-typed as '=',
even when the constant is on the right.

2
hw/audio/gus.c
View File

@ -212,7 +212,7 @@ static int GUS_read_DMA (void *opaque, int nchan, int dma_pos, int dma_len)
pos += copied;
}
if (0 == ((mode >> 4) & 1)) {
if (((mode >> 4) & 1) == 0) {
DMA_release_DREQ (s->emu.gusdma);
}
return dma_len;

3
hw/audio/hda-codec.c
View File

@ -489,8 +489,9 @@ static int hda_audio_init(HDACodecDevice *hda, const struct desc_codec *desc)
for (i = 0; i < a->desc->nnodes; i++) {
node = a->desc->nodes + i;
param = hda_codec_find_param(node, AC_PAR_AUDIO_WIDGET_CAP);
if (NULL == param)
if (param == NULL) {
continue;
}
type = (param->val & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
switch (type) {
case AC_WID_AUD_OUT:

6
hw/audio/sb16.c
View File

@ -928,7 +928,7 @@ static IO_WRITE_PROTO (dsp_write)
/* if (s->highspeed) */
/* break; */
if (0 == s->needed_bytes) {
if (s->needed_bytes == 0) {
command (s, val);
#if 0
if (0 == s->needed_bytes) {
@ -1212,7 +1212,7 @@ static int SB_read_DMA (void *opaque, int nchan, int dma_pos, int dma_len)
#endif
if (till <= copy) {
if (0 == s->dma_auto) {
if (s->dma_auto == 0) {
copy = till;
}
}
@ -1224,7 +1224,7 @@ static int SB_read_DMA (void *opaque, int nchan, int dma_pos, int dma_len)
if (s->left_till_irq <= 0) {
s->mixer_regs[0x82] |= (nchan & 4) ? 2 : 1;
qemu_irq_raise (s->pic);
if (0 == s->dma_auto) {
if (s->dma_auto == 0) {
control (s, 0);
speaker (s, 0);
}

2
hw/bt/l2cap.c
View File

@ -429,7 +429,7 @@ static struct l2cap_chan_s *l2cap_channel_open(struct l2cap_instance_s *l2cap,
status = L2CAP_CS_NO_INFO;
} else {
g_free(ch);
ch = NULL;
result = L2CAP_CR_NO_MEM;
status = L2CAP_CS_NO_INFO;
}

2
hw/intc/apic.c
View File

@ -698,7 +698,7 @@ static uint32_t apic_mem_readl(void *opaque, hwaddr addr)
val = s->log_dest << 24;
break;
case 0x0e:
val = s->dest_mode << 28;
val = (s->dest_mode << 28) | 0xfffffff;
break;
case 0x0f:
val = s->spurious_vec;

2
hw/intc/i8259.c
View File

@ -472,7 +472,7 @@ qemu_irq *i8259_init(ISABus *bus, qemu_irq parent_irq)
ISADevice *isadev;
int i;
irq_set = g_malloc(ISA_NUM_IRQS * sizeof(qemu_irq));
irq_set = g_new0(qemu_irq, ISA_NUM_IRQS);
isadev = i8259_init_chip(TYPE_I8259, bus, true);
dev = DEVICE(isadev);

2
hw/intc/openpic.c
View File

@ -1627,7 +1627,7 @@ static void openpic_realize(DeviceState *dev, Error **errp)
}
for (i = 0; i < opp->nb_cpus; i++) {
opp->dst[i].irqs = g_new(qemu_irq, OPENPIC_OUTPUT_NB);
opp->dst[i].irqs = g_new0(qemu_irq, OPENPIC_OUTPUT_NB);
for (j = 0; j < OPENPIC_OUTPUT_NB; j++) {
sysbus_init_irq(d, &opp->dst[i].irqs[j]);
}

2
hw/isa/isa-bus.c
View File

@ -50,7 +50,7 @@ ISABus *isa_bus_new(DeviceState *dev, MemoryRegion *address_space_io)
fprintf(stderr, "Can't create a second ISA bus\n");
return NULL;
}
if (NULL == dev) {
if (!dev) {
dev = qdev_create(NULL, "isabus-bridge");
qdev_init_nofail(dev);
}

2
hw/isa/lpc_ich9.c
View File

@ -7,7 +7,7 @@
* VA Linux Systems Japan K.K.
* Copyright (C) 2012 Jason Baron <jbaron@redhat.com>
*
* This is based on piix_pci.c, but heavily modified.
* This is based on piix.c, but heavily modified.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal

6
hw/misc/ivshmem.c
View File

@ -324,7 +324,11 @@ static int check_shm_size(IVShmemState *s, int fd) {
struct stat buf;
fstat(fd, &buf);
if (fstat(fd, &buf) < 0) {
fprintf(stderr, "ivshmem: exiting: fstat on fd %d failed: %s\n",
fd, strerror(errno));
return -1;
}
if (s->ivshmem_size > buf.st_size) {
fprintf(stderr,

16
hw/net/vmxnet3.c
View File

@ -1009,7 +1009,7 @@ vmxnet3_indicate_packet(VMXNET3State *s)
vmxnet3_dump_rx_descr(&rxd);
if (0 != ready_rxcd_pa) {
if (ready_rxcd_pa != 0) {
cpu_physical_memory_write(ready_rxcd_pa, &rxcd, sizeof(rxcd));
}
@ -1020,7 +1020,7 @@ vmxnet3_indicate_packet(VMXNET3State *s)
rxcd.gen = new_rxcd_gen;
rxcd.rqID = RXQ_IDX + rx_ridx * s->rxq_num;
if (0 == bytes_left) {
if (bytes_left == 0) {
vmxnet3_rx_update_descr(s->rx_pkt, &rxcd);
}
@ -1038,16 +1038,16 @@ vmxnet3_indicate_packet(VMXNET3State *s)
num_frags++;
}
if (0 != ready_rxcd_pa) {
if (ready_rxcd_pa != 0) {
rxcd.eop = 1;
rxcd.err = (0 != bytes_left);
rxcd.err = (bytes_left != 0);
cpu_physical_memory_write(ready_rxcd_pa, &rxcd, sizeof(rxcd));
/* Flush RX descriptor changes */
smp_wmb();
}
if (0 != new_rxcd_pa) {
if (new_rxcd_pa != 0) {
vmxnet3_revert_rxc_descr(s, RXQ_IDX);
}
@ -1190,8 +1190,8 @@ static void vmxnet3_update_mcast_filters(VMXNET3State *s)
s->mcast_list_len = list_bytes / sizeof(s->mcast_list[0]);
s->mcast_list = g_realloc(s->mcast_list, list_bytes);
if (NULL == s->mcast_list) {
if (0 == s->mcast_list_len) {
if (!s->mcast_list) {
if (s->mcast_list_len == 0) {
VMW_CFPRN("Current multicast list is empty");
} else {
VMW_ERPRN("Failed to allocate multicast list of %d elements",
@ -1667,7 +1667,7 @@ vmxnet3_io_bar1_write(void *opaque,
* memory address. We save it to temp variable and set the
* shared address only after we get the high part
*/
if (0 == val) {
if (val == 0) {
s->device_active = false;
}
s->temp_shared_guest_driver_memory = val;

4
hw/pci-host/pam.c
View File

@ -1,12 +1,12 @@
/*
* QEMU i440FX/PIIX3 PCI Bridge Emulation
* QEMU Smram/pam logic implementation
*
* Copyright (c) 2006 Fabrice Bellard
* Copyright (c) 2011 Isaku Yamahata <yamahata at valinux co jp>
* VA Linux Systems Japan K.K.
* Copyright (c) 2012 Jason Baron <jbaron@redhat.com>
*
* Split out from piix_pci.c
* Split out from piix.c
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal

2
hw/pci-host/q35.c
View File

@ -7,7 +7,7 @@
* VA Linux Systems Japan K.K.
* Copyright (C) 2012 Jason Baron <jbaron@redhat.com>
*
* This is based on piix_pci.c, but heavily modified.
* This is based on piix.c, but heavily modified.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal

2
hw/ppc/e500.c
View File

@ -583,7 +583,7 @@ static qemu_irq *ppce500_init_mpic(PPCE500Params *params, MemoryRegion *ccsr,
SysBusDevice *s;
int i;
mpic = g_new(qemu_irq, 256);
mpic = g_new0(qemu_irq, 256);
if (kvm_enabled()) {
QemuOpts *machine_opts = qemu_get_machine_opts();

2
hw/ppc/mac_newworld.c
View File

@ -346,7 +346,7 @@ static void ppc_core99_init(MachineState *machine)
}
}
pic = g_new(qemu_irq, 64);
pic = g_new0(qemu_irq, 64);
dev = qdev_create(NULL, TYPE_OPENPIC);
qdev_prop_set_uint32(dev, "model", OPENPIC_MODEL_RAVEN);

2
hw/ssi/xilinx_spi.c
View File

@ -329,7 +329,7 @@ static int xilinx_spi_init(SysBusDevice *sbd)
s->spi = ssi_create_bus(dev, "spi");
sysbus_init_irq(sbd, &s->irq);
s->cs_lines = g_new(qemu_irq, s->num_cs);
s->cs_lines = g_new0(qemu_irq, s->num_cs);
ssi_auto_connect_slaves(dev, s->cs_lines, s->spi);
for (i = 0; i < s->num_cs; ++i) {
sysbus_init_irq(sbd, &s->cs_lines[i]);

2
hw/usb/dev-audio.c
View File

@ -371,7 +371,7 @@ static void output_callback(void *opaque, int avail)
return;
}
data = streambuf_get(&s->out.buf);
if (NULL == data) {
if (!data) {
return;
}
AUD_write(s->out.voice, data, USBAUDIO_PACKET_SIZE);

4
hw/usb/dev-mtp.c
View File

@ -832,7 +832,7 @@ static void usb_mtp_command(MTPState *s, MTPControl *c)
return;
}
data_in = usb_mtp_get_object(s, c, o);
if (NULL == data_in) {
if (data_in == NULL) {
usb_mtp_queue_result(s, RES_GENERAL_ERROR,
c->trans, 0, 0, 0);
return;
@ -851,7 +851,7 @@ static void usb_mtp_command(MTPState *s, MTPControl *c)
return;
}
data_in = usb_mtp_get_partial_object(s, c, o);
if (NULL == data_in) {
if (data_in == NULL) {
usb_mtp_queue_result(s, RES_GENERAL_ERROR,
c->trans, 0, 0, 0);
return;

2
hw/usb/hcd-ehci.c
View File

@ -1596,7 +1596,7 @@ static EHCIQueue *ehci_state_fetchqh(EHCIState *ehci, int async)
entry = ehci_get_fetch_addr(ehci, async);
q = ehci_find_queue_by_qh(ehci, entry, async);
if (NULL == q) {
if (q == NULL) {
q = ehci_alloc_queue(ehci, entry, async);
}

2
include/hw/pci-host/pam.h
View File

@ -7,7 +7,7 @@
* VA Linux Systems Japan K.K.
* Copyright (c) 2012 Jason Baron <jbaron@redhat.com>
*
* Split out from piix_pci.c
* Split out from piix.c
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal

3
memory.c
View File

@ -56,8 +56,7 @@ static void memory_init(void)
typedef struct AddrRange AddrRange;
/*
* Note using signed integers limits us to physical addresses at most
* 63 bits wide. They are needed for negative offsetting in aliases
* Note that signed integers are needed for negative offsetting in aliases
* (large MemoryRegion::alias_offset).
*/
struct AddrRange {

2
qdev-monitor.c
View File

@ -688,7 +688,7 @@ void qmp_device_del(const char *id, Error **errp)
DeviceState *dev;
dev = qdev_find_recursive(sysbus_get_default(), id);
if (NULL == dev) {
if (!dev) {
error_set(errp, QERR_DEVICE_NOT_FOUND, id);
return;
}

2
qemu-char.c
View File

@ -4121,7 +4121,7 @@ void qmp_chardev_remove(const char *id, Error **errp)
CharDriverState *chr;
chr = qemu_chr_find(id);
if (NULL == chr) {
if (chr == NULL) {
error_setg(errp, "Chardev '%s' not found", id);
return;
}

4
qemu-options.hx
View File

@ -1444,7 +1444,7 @@ DEF("net", HAS_ARG, QEMU_OPTION_net,
" use 'src=' to specify source address\n"
" use 'dst=' to specify destination address\n"
" use 'udp=on' to specify udp encapsulation\n"
" use 'dstport=' to specify destination udp port\n"
" use 'srcport=' to specify source udp port\n"
" use 'dstport=' to specify destination udp port\n"
" use 'ipv6=on' to force v6\n"
" L2TPv3 uses cookies to prevent misconfiguration as\n"
@ -1926,7 +1926,7 @@ ETEXI
DEF("chardev", HAS_ARG, QEMU_OPTION_chardev,
"-chardev null,id=id[,mux=on|off]\n"
"-chardev socket,id=id[,host=host],port=host[,to=to][,ipv4][,ipv6][,nodelay]\n"
"-chardev socket,id=id[,host=host],port=port[,to=to][,ipv4][,ipv6][,nodelay]\n"
" [,server][,nowait][,telnet][,mux=on|off] (tcp)\n"
"-chardev socket,id=id,path=path[,server][,nowait][,telnet],[mux=on|off] (unix)\n"
"-chardev udp,id=id[,host=host],port=port[,localaddr=localaddr]\n"

4
ui/spice-core.c
View File

@ -677,7 +677,7 @@ void qemu_spice_init(void)
if (tls_port) {
x509_dir = qemu_opt_get(opts, "x509-dir");
if (NULL == x509_dir) {
if (!x509_dir) {
x509_dir = ".";
}
@ -803,7 +803,7 @@ void qemu_spice_init(void)
seamless_migration = qemu_opt_get_bool(opts, "seamless-migration", 0);
spice_server_set_seamless_migration(spice_server, seamless_migration);
if (0 != spice_server_init(spice_server, &core_interface)) {
if (spice_server_init(spice_server, &core_interface) != 0) {
error_report("failed to initialize spice server");
exit(1);
};

2
util/qemu-sockets.c
View File

@ -732,7 +732,7 @@ int unix_connect_opts(QemuOpts *opts, Error **errp,
ConnectState *connect_state = NULL;
int sock, rc;
if (NULL == path) {
if (path == NULL) {
error_setg(errp, "unix connect: no path specified");
return -1;
}

6
vl.c
View File

@ -1154,7 +1154,7 @@ static int drive_init_func(QemuOpts *opts, void *opaque)
static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
{
if (NULL == qemu_opt_get(opts, "snapshot")) {
if (qemu_opt_get(opts, "snapshot") == NULL) {
qemu_opt_set(opts, "snapshot", "on");
}
return 0;
@ -2506,8 +2506,9 @@ static int foreach_device_config(int type, int (*func)(const char *cmdline))
loc_push_restore(&conf->loc);
rc = func(conf->cmdline);
loc_pop(&conf->loc);
if (0 != rc)
if (rc) {
return rc;
}
}
return 0;
}
@ -2917,6 +2918,7 @@ out:
g_free(dummy);
if (err) {
qerror_report_err(err);
error_free(err);
return -1;
}
return 0;