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[Qemu-devel] [PATCH PULL 27/31] pvrdma: add uar_read routine


From: Marcel Apfelbaum
Subject: [Qemu-devel] [PATCH PULL 27/31] pvrdma: add uar_read routine
Date: Sat, 22 Dec 2018 11:50:32 +0200

From: Prasad J Pandit <address@hidden>

Define skeleton 'uar_read' routine. Avoid NULL dereference.

Reported-by: Li Qiang <address@hidden>
Signed-off-by: Prasad J Pandit <address@hidden>
Reviewed-by: Marcel Apfelbaum <address@hidden>
Signed-off-by: Marcel Apfelbaum <address@hidden>
---
 hw/rdma/vmw/pvrdma_main.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/hw/rdma/vmw/pvrdma_main.c b/hw/rdma/vmw/pvrdma_main.c
index 64de16fb52..838ad8a949 100644
--- a/hw/rdma/vmw/pvrdma_main.c
+++ b/hw/rdma/vmw/pvrdma_main.c
@@ -448,6 +448,11 @@ static const MemoryRegionOps regs_ops = {
     },
 };
 
+static uint64_t uar_read(void *opaque, hwaddr addr, unsigned size)
+{
+    return 0xffffffff;
+}
+
 static void uar_write(void *opaque, hwaddr addr, uint64_t val, unsigned size)
 {
     PVRDMADev *dev = opaque;
@@ -489,6 +494,7 @@ static void uar_write(void *opaque, hwaddr addr, uint64_t 
val, unsigned size)
 }
 
 static const MemoryRegionOps uar_ops = {
+    .read = uar_read,
     .write = uar_write,
     .endianness = DEVICE_LITTLE_ENDIAN,
     .impl = {
-- 
2.17.1




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