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[c-host] linux: remove extra shm device name validation

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This is now validated by the option validator callback
This commit is contained in:
Geoffrey McRae 2019-05-11 11:59:26 +10:00
parent cf030f6f0c
commit 522bacb1f0
2 changed files with 24 additions and 49 deletions
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2
VERSION
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@ -1 +1 @@
a12-176-g823164a924+1
a12-177-gcf030f6f0c+1

71
c-host/platform/Linux/src/platform.c
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@ -200,62 +200,37 @@ bool app_init()
{
const char * shmDevice = option_get_string("os", "shmDevice");
// check the deice name
{
char * name = uioGetName(shmDevice);
if (!name)
{
DEBUG_ERROR("Failed to read the shmDevice name for: %s", shmDevice);
DEBUG_ERROR("Did you remmeber to modprobe the kvmfr module?");
return false;
}
if (strcmp(name, "KVMFR") != 0)
{
free(name);
DEBUG_ERROR("Device is not a KVMFR device \"%s\" reports as: %s", shmDevice, name);
return false;
}
free(name);
}
// get the device size
int fd = uioOpenFile(shmDevice, "maps/map0/size");
if (fd < 0)
{
int fd = uioOpenFile(shmDevice, "maps/map0/size");
if (fd < 0)
{
DEBUG_ERROR("Failed to open %s/size", shmDevice);
DEBUG_ERROR("Did you remmeber to modprobe the kvmfr module?");
return false;
}
char size[32];
int len = read(fd, size, sizeof(size) - 1);
if (len <= 0)
{
DEBUG_ERROR("Failed to read the device size");
close(fd);
return false;
}
size[len] = '\0';
close(fd);
app.shmSize = strtoul(size, NULL, 16);
DEBUG_ERROR("Failed to open %s/size", shmDevice);
DEBUG_ERROR("Did you remmeber to modprobe the kvmfr module?");
return false;
}
char size[32];
int len = read(fd, size, sizeof(size) - 1);
if (len <= 0)
{
DEBUG_ERROR("Failed to read the device size");
close(fd);
return false;
}
size[len] = '\0';
close(fd);
app.shmSize = strtoul(size, NULL, 16);
// open the device
{
app.shmFD = shmOpenDev(shmDevice);
app.shmMap = MAP_FAILED;
if (app.shmFD < 0)
return false;
app.shmFD = shmOpenDev(shmDevice);
app.shmMap = MAP_FAILED;
if (app.shmFD < 0)
return false;
DEBUG_INFO("KVMFR Device : %s", shmDevice);
}
DEBUG_INFO("KVMFR Device : %s", shmDevice);
signal(SIGINT, sigHandler);
return true;
}