diff mbox

[-V2,4/4] target-ppc: Check for error on address translation in memsave command

Message ID 1376995766-16526-5-git-send-email-aneesh.kumar@linux.vnet.ibm.com
State New
Headers show

Commit Message

Aneesh Kumar K.V Aug. 20, 2013, 10:49 a.m. UTC 
From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>

When we translate the virtual address to physical check for error.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
---
 cpus.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
diff mbox

Patch

diff --git a/cpus.c b/cpus.c
index 0f65e76..658366d 100644
--- a/cpus.c
+++ b/cpus.c
@@ -1309,7 +1309,10 @@  void qmp_memsave(int64_t addr, int64_t size, const char *filename,
         l = sizeof(buf);
         if (l > size)
             l = size;
-        cpu_memory_rw_debug(cpu, addr, buf, l, 0);
+        if (cpu_memory_rw_debug(cpu, addr, buf, l, 0) != 0) {
+            error_set(errp, QERR_INVALID_PARAMETER, "addr");
+            goto exit;
+        }
         if (fwrite(buf, 1, l, f) != l) {
             error_set(errp, QERR_IO_ERROR);
             goto exit;