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vmspawn: ENODEV is not the only error the kernel returns if a device is not there

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Let's use ERRNO_IS_DEVICE_ABSENT() to cover all cases.

(And while we are at it also use ERRNO_IS_PRIVILEGE() where appropriate)
This commit is contained in:
Lennart Poettering 2024-01-19 18:47:41 +01:00
parent c7c6b6f28c
commit fdc7d50ba4
1 changed files with 3 additions and 3 deletions
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6
src/vmspawn/vmspawn-util.c
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@ -40,7 +40,7 @@ int qemu_check_kvm_support(void) {
log_debug_errno(errno, "/dev/kvm not found. Not using KVM acceleration.");
return false;
}
if (errno == EPERM) {
if (ERRNO_IS_PRIVILEGE(errno)) {
log_debug_errno(errno, "Permission denied to access /dev/kvm. Not using KVM acceleration.");
return false;
}
@ -62,11 +62,11 @@ int qemu_check_vsock_support(void) {
fd = open("/dev/vhost-vsock", O_RDWR|O_CLOEXEC);
if (fd >= 0)
return true;
if (errno == ENODEV) {
if (ERRNO_IS_DEVICE_ABSENT(errno)) {
log_debug_errno(errno, "/dev/vhost-vsock device doesn't exist. Not adding a vsock device to the virtual machine.");
return false;
}
if (errno == EPERM) {
if (ERRNO_IS_PRIVILEGE(errno)) {
log_debug_errno(errno, "Permission denied to access /dev/vhost-vsock. Not adding a vsock device to the virtual machine.");
return false;
}