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authorPrasad J Pandit <pjp@fedoraproject.org>2018-12-13 01:00:35 +0530
committerMarcel Apfelbaum <marcel.apfelbaum@gmail.com>2018-12-22 11:09:57 +0200
commit2aa86456fb938a11f2b7bd57c8643c213218681c (patch)
tree248144d52b5b44c9fdb3e25461f032ff744fc577 /hw
parent0e68373cc2b3a063ce067bc0cc3edaf370752890 (diff)
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pvrdma: add uar_read routine
Define skeleton 'uar_read' routine. Avoid NULL dereference. Reported-by: Li Qiang <liq3ea@163.com> Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org> Reviewed-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com> Signed-off-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Diffstat (limited to 'hw')
-rw-r--r--hw/rdma/vmw/pvrdma_main.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/hw/rdma/vmw/pvrdma_main.c b/hw/rdma/vmw/pvrdma_main.c
index 64de16f..838ad8a 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 = {