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[Qemu-devel] [PATCH v4 15/47] ivshmem: initialize max_peer to -1
From: |
marcandre . lureau |
Subject: |
[Qemu-devel] [PATCH v4 15/47] ivshmem: initialize max_peer to -1 |
Date: |
Thu, 24 Sep 2015 13:37:17 +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] [PATCH v4 06/47] ivshmem: remove unnecessary dup(), (continued)
- [Qemu-devel] [PATCH v4 06/47] ivshmem: remove unnecessary dup(), marcandre . lureau, 2015/09/24
- [Qemu-devel] [PATCH v4 07/47] ivshmem: remove superflous ivshmem_attr field, marcandre . lureau, 2015/09/24
- [Qemu-devel] [PATCH v4 08/47] ivshmem: remove useless doorbell field, marcandre . lureau, 2015/09/24
- [Qemu-devel] [PATCH v4 10/47] ivshmem: remove last exit(1), marcandre . lureau, 2015/09/24
- [Qemu-devel] [PATCH v4 09/47] ivshmem: more qdev conversion, marcandre . lureau, 2015/09/24
- [Qemu-devel] [PATCH v4 11/47] ivshmem: limit maximum number of peers to G_MAXUINT16, marcandre . lureau, 2015/09/24
- [Qemu-devel] [PATCH v4 12/47] ivshmem: simplify around increase_dynamic_storage(), marcandre . lureau, 2015/09/24
- [Qemu-devel] [PATCH v4 14/47] ivshmem: remove useless ivshmem_update_irq() val argument, marcandre . lureau, 2015/09/24
- [Qemu-devel] [PATCH v4 13/47] ivshmem: allocate eventfds in resize_peers(), marcandre . lureau, 2015/09/24
- [Qemu-devel] [PATCH v4 16/47] ivshmem: remove max_peer field, marcandre . lureau, 2015/09/24
- [Qemu-devel] [PATCH v4 15/47] ivshmem: initialize max_peer to -1,
marcandre . lureau <=
- [Qemu-devel] [PATCH v4 17/47] ivshmem: improve debug messages, marcandre . lureau, 2015/09/24
- [Qemu-devel] [PATCH v4 18/47] ivshmem: improve error handling, marcandre . lureau, 2015/09/24
- [Qemu-devel] [PATCH v4 19/47] ivshmem: print error on invalid peer id, marcandre . lureau, 2015/09/24
- [Qemu-devel] [PATCH v4 20/47] ivshmem: simplify a bit the code, marcandre . lureau, 2015/09/24
- [Qemu-devel] [PATCH v4 21/47] ivshmem: use common return, marcandre . lureau, 2015/09/24
- [Qemu-devel] [PATCH v4 22/47] ivshmem: use common is_power_of_2(), marcandre . lureau, 2015/09/24
- [Qemu-devel] [PATCH v4 23/47] ivshmem: migrate with VMStateDescription, marcandre . lureau, 2015/09/24
- [Qemu-devel] [PATCH v4 25/47] ivshmem: check shm isn't already initialized, marcandre . lureau, 2015/09/24
- [Qemu-devel] [PATCH v4 24/47] ivshmem: shmfd can be 0, marcandre . lureau, 2015/09/24
- [Qemu-devel] [PATCH v4 26/47] ivshmem: add device description, marcandre . lureau, 2015/09/24