diff options
| author | Marc-André Lureau <marcandre.lureau@redhat.com> | 2015-06-18 14:39:49 +0200 |
|---|---|---|
| committer | Marc-André Lureau <marcandre.lureau@redhat.com> | 2015-10-24 18:02:49 +0200 |
| commit | 36617792b45b5d46d574af4f6ebb3f35c77d1e69 (patch) | |
| tree | fd085d514ee7295941b200074bcdc89ae9732068 /hw/misc/ivshmem.c | |
| parent | f59bb37898d6ff44cdf68bfbadaf3bd260ae465e (diff) | |
ivshmem: improve error handling
The test whether the chardev is an AF_UNIX socket rejects
"-chardev socket,id=chr0,path=/tmp/foo,server,nowait -device
ivshmem,chardev=chr0", but fails to explain why.
Use an explicit error on why a chardev may be rejected.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Claudio Fontana <claudio.fontana@huawei.com>
Diffstat (limited to 'hw/misc/ivshmem.c')
| -rw-r--r-- | hw/misc/ivshmem.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/hw/misc/ivshmem.c b/hw/misc/ivshmem.c index 50f9c8fe35..d7a00bd383 100644 --- a/hw/misc/ivshmem.c +++ b/hw/misc/ivshmem.c @@ -301,7 +301,7 @@ static CharDriverState* create_eventfd_chr_device(void * opaque, EventNotifier * chr = qemu_chr_open_eventfd(eventfd); if (chr == NULL) { - error_report("creating eventfd for eventfd %d failed", eventfd); + error_report("creating chardriver for eventfd %d failed", eventfd); return NULL; } qemu_chr_fe_claim_no_fail(chr); @@ -778,8 +778,12 @@ static void pci_ivshmem_realize(PCIDevice *dev, Error **errp) attr |= PCI_BASE_ADDRESS_MEM_TYPE_64; } - if ((s->server_chr != NULL) && - (strncmp(s->server_chr->filename, "unix:", 5) == 0)) { + if (s->server_chr != NULL) { + if (strncmp(s->server_chr->filename, "unix:", 5)) { + error_setg(errp, "chardev is not a unix client socket"); + return; + } + /* if we get a UNIX socket as the parameter we will talk * to the ivshmem server to receive the memory region */ |