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[-V4,RESEND,3/6] target-ppc: Check for error on address translation in memsave command

Message ID 1380644373-15500-4-git-send-email-aneesh.kumar@linux.vnet.ibm.com
State New
Headers show

Commit Message

Aneesh Kumar K.V Oct. 1, 2013, 4:19 p.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(-)
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Patch

diff --git a/cpus.c b/cpus.c
index e566297..52470a6 100644
--- a/cpus.c
+++ b/cpus.c
@@ -1333,7 +1333,10 @@  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_setg(errp, "Invalid addr 0x%016" PRIx64 "specified", addr);
+            goto exit;
+        }
         if (fwrite(buf, 1, l, f) != l) {
             error_set(errp, QERR_IO_ERROR);
             goto exit;