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authorPhilippe Mathieu-Daudé <f4bug@amsat.org>2020-05-18 17:53:03 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2020-06-10 12:10:22 -0400
commitddfc8b96eec648f35f0f054bd3f0a05df6cd34fb (patch)
tree09d26ee645826170cd55f6bf934c473b55ec28d6
parent38df19fad71abe8823f8b416f672be95c2ac8d04 (diff)
downloadfocaccia-qemu-ddfc8b96eec648f35f0f054bd3f0a05df6cd34fb.tar.gz
focaccia-qemu-ddfc8b96eec648f35f0f054bd3f0a05df6cd34fb.zip
exec: Propagate cpu_memory_rw_debug() error
Do not ignore the MemTxResult error type returned by
the address_space_rw() API.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
-rw-r--r--exec.c12
-rw-r--r--include/exec/cpu-all.h1
2 files changed, 9 insertions, 4 deletions
diff --git a/exec.c b/exec.c
index 0e197e53c2..9cbde85d8c 100644
--- a/exec.c
+++ b/exec.c
@@ -3771,6 +3771,7 @@ int cpu_memory_rw_debug(CPUState *cpu, target_ulong addr,
     while (len > 0) {
         int asidx;
         MemTxAttrs attrs;
+        MemTxResult res;
 
         page = addr & TARGET_PAGE_MASK;
         phys_addr = cpu_get_phys_page_attrs_debug(cpu, page, &attrs);
@@ -3783,11 +3784,14 @@ int cpu_memory_rw_debug(CPUState *cpu, target_ulong addr,
             l = len;
         phys_addr += (addr & ~TARGET_PAGE_MASK);
         if (is_write) {
-            address_space_write_rom(cpu->cpu_ases[asidx].as, phys_addr,
-                                    attrs, buf, l);
+            res = address_space_write_rom(cpu->cpu_ases[asidx].as, phys_addr,
+                                          attrs, buf, l);
         } else {
-            address_space_read(cpu->cpu_ases[asidx].as, phys_addr, attrs, buf,
-                               l);
+            res = address_space_read(cpu->cpu_ases[asidx].as, phys_addr,
+                                     attrs, buf, l);
+        }
+        if (res != MEMTX_OK) {
+            return -1;
         }
         len -= l;
         buf += l;
diff --git a/include/exec/cpu-all.h b/include/exec/cpu-all.h
index d14374bdd4..fb4e8a8e29 100644
--- a/include/exec/cpu-all.h
+++ b/include/exec/cpu-all.h
@@ -413,6 +413,7 @@ void dump_exec_info(void);
 void dump_opcount_info(void);
 #endif /* !CONFIG_USER_ONLY */
 
+/* Returns: 0 on success, -1 on error */
 int cpu_memory_rw_debug(CPUState *cpu, target_ulong addr,
                         void *ptr, target_ulong len, bool is_write);