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[Qemu-devel] [PULL 08/11] rng-egd: offset the point when repeatedly read
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PULL 08/11] rng-egd: offset the point when repeatedly read from the buffer |
Date: |
Thu, 21 Nov 2013 17:49:35 +0100 |
From: Amos Kong <address@hidden>
The buffer content might be read out more than once, currently
we just repeatedly read the first data block, buffer offset is
missing.
Cc: address@hidden
Signed-off-by: Amos Kong <address@hidden>
Signed-off-by: Paolo Bonzini <address@hidden>
---
backends/rng-egd.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/backends/rng-egd.c b/backends/rng-egd.c
index 6f56f9e..25bb3b4 100644
--- a/backends/rng-egd.c
+++ b/backends/rng-egd.c
@@ -91,12 +91,14 @@ static int rng_egd_chr_can_read(void *opaque)
static void rng_egd_chr_read(void *opaque, const uint8_t *buf, int size)
{
RngEgd *s = RNG_EGD(opaque);
+ size_t buf_offset = 0;
while (size > 0 && s->requests) {
RngRequest *req = s->requests->data;
int len = MIN(size, req->size - req->offset);
- memcpy(req->data + req->offset, buf, len);
+ memcpy(req->data + req->offset, buf + buf_offset, len);
+ buf_offset += len;
req->offset += len;
size -= len;
--
1.8.3.1
- [Qemu-devel] [PULL for-1.7 00/11] Miscellaneous -rc patches, Paolo Bonzini, 2013/11/21
- [Qemu-devel] [PULL 01/11] sun4m: Add FCode ROM for TCX framebuffer, Paolo Bonzini, 2013/11/21
- [Qemu-devel] [PULL 02/11] configure: Explicitly set ARFLAGS so we can build with GNU Make 4.0, Paolo Bonzini, 2013/11/21
- [Qemu-devel] [PULL 04/11] atomic.h: Fix build with clang, Paolo Bonzini, 2013/11/21
- [Qemu-devel] [PULL 06/11] target-i386: Fix build by providing stub kvm_arch_get_supported_cpuid(), Paolo Bonzini, 2013/11/21
- [Qemu-devel] [PULL 05/11] vfio-pci: Fix multifunction=on, Paolo Bonzini, 2013/11/21
- [Qemu-devel] [PULL 08/11] rng-egd: offset the point when repeatedly read from the buffer,
Paolo Bonzini <=
- [Qemu-devel] [PULL 09/11] target-i386: yield to another VCPU on PAUSE, Paolo Bonzini, 2013/11/21
- [Qemu-devel] [PULL 07/11] rng-egd: remove redundant free, Paolo Bonzini, 2013/11/21
- [Qemu-devel] [PULL 10/11] mips jazz: do not raise data bus exception when accessing invalid addresses, Paolo Bonzini, 2013/11/21
- [Qemu-devel] [PULL 11/11] qga: Fix compiler warnings (missing format attribute, wrong format strings), Paolo Bonzini, 2013/11/21
- [Qemu-devel] [PULL 03/11] pc: get rid of builtin pvpanic for "-M pc-1.5", Paolo Bonzini, 2013/11/21
- Re: [Qemu-devel] [PULL for-1.7 00/11] Miscellaneous -rc patches, Paolo Bonzini, 2013/11/25