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[Qemu-devel] [PULL v2 16/50] ivshmem: initialize max_peer to -1
From: |
marcandre . lureau |
Subject: |
[Qemu-devel] [PULL v2 16/50] ivshmem: initialize max_peer to -1 |
Date: |
Mon, 12 Oct 2015 18:41:10 +0200 |
From: Marc-André Lureau <address@hidden>
There is no peer when device is initialized, do not let doorbell for
inexisting peer 0.
Signed-off-by: Marc-André Lureau <address@hidden>
Reviewed-by: Claudio Fontana <address@hidden>
---
hw/misc/ivshmem.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/hw/misc/ivshmem.c b/hw/misc/ivshmem.c
index 374ecff..0716deb 100644
--- a/hw/misc/ivshmem.c
+++ b/hw/misc/ivshmem.c
@@ -532,8 +532,6 @@ static void ivshmem_read(void *opaque, const uint8_t *buf,
int size)
if (incoming_posn == -1) {
void * map_ptr;
- s->max_peer = 0;
-
if (check_shm_size(s, incoming_fd, &err) == -1) {
error_report_err(err);
close(incoming_fd);
@@ -723,6 +721,8 @@ static void pci_ivshmem_realize(PCIDevice *dev, Error
**errp)
PCI_BASE_ADDRESS_MEM_PREFETCH;
Error *local_err = NULL;
+ s->max_peer = -1;
+
if (s->sizearg == NULL) {
s->ivshmem_size = 4 << 20; /* 4 MB default */
} else {
--
2.4.3
- [Qemu-devel] [PULL v2 04/50] ivhsmem: read do not accept more than sizeof(long), (continued)
- [Qemu-devel] [PULL v2 04/50] ivhsmem: read do not accept more than sizeof(long), marcandre . lureau, 2015/10/12
- [Qemu-devel] [PULL v2 05/50] ivshmem: fix number of bytes to push to fifo, marcandre . lureau, 2015/10/12
- [Qemu-devel] [PULL v2 06/50] ivshmem: factor out the incoming fifo handling, marcandre . lureau, 2015/10/12
- [Qemu-devel] [PULL v2 08/50] ivshmem: remove superflous ivshmem_attr field, marcandre . lureau, 2015/10/12
- [Qemu-devel] [PULL v2 09/50] ivshmem: remove useless doorbell field, marcandre . lureau, 2015/10/12
- [Qemu-devel] [PULL v2 10/50] ivshmem: more qdev conversion, marcandre . lureau, 2015/10/12
- [Qemu-devel] [PULL v2 11/50] ivshmem: remove last exit(1), marcandre . lureau, 2015/10/12
- [Qemu-devel] [PULL v2 12/50] ivshmem: limit maximum number of peers to G_MAXUINT16, marcandre . lureau, 2015/10/12
- [Qemu-devel] [PULL v2 13/50] ivshmem: simplify around increase_dynamic_storage(), marcandre . lureau, 2015/10/12
- [Qemu-devel] [PULL v2 14/50] ivshmem: allocate eventfds in resize_peers(), marcandre . lureau, 2015/10/12
- [Qemu-devel] [PULL v2 16/50] ivshmem: initialize max_peer to -1,
marcandre . lureau <=
- [Qemu-devel] [PULL v2 17/50] ivshmem: remove max_peer field, marcandre . lureau, 2015/10/12
- [Qemu-devel] [PULL v2 18/50] ivshmem: improve debug messages, marcandre . lureau, 2015/10/12
- [Qemu-devel] [PULL v2 20/50] ivshmem: print error on invalid peer id, marcandre . lureau, 2015/10/12
- [Qemu-devel] [PULL v2 21/50] ivshmem: simplify a bit the code, marcandre . lureau, 2015/10/12
- [Qemu-devel] [PULL v2 22/50] ivshmem: use common return, marcandre . lureau, 2015/10/12
- [Qemu-devel] [PULL v2 23/50] ivshmem: use common is_power_of_2(), marcandre . lureau, 2015/10/12
- [Qemu-devel] [PULL v2 26/50] ivshmem: check shm isn't already initialized, marcandre . lureau, 2015/10/12
- [Qemu-devel] [PULL v2 29/50] ivshmem: replace 'guest' for 'peer' appropriately, marcandre . lureau, 2015/10/12
- [Qemu-devel] [PULL v2 31/50] ivshmem: reset mask on device reset, marcandre . lureau, 2015/10/12
- [Qemu-devel] [PULL v2 33/50] ivshmem-client: check the number of vectors, marcandre . lureau, 2015/10/12