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authorJuan Quintela <quintela@redhat.com>2013-10-08 13:29:11 +0200
committerJuan Quintela <quintela@redhat.com>2014-01-13 14:04:54 +0100
commit7a5b558c9d061814f34d9b95d70d17ef75037937 (patch)
tree11e33bf92614f45341f98f78a7863ad4bfd56e2b
parent5adca7ace9b80bf594e4c52c0d5b23573cba3639 (diff)
downloadqemu-arm-7a5b558c9d061814f34d9b95d70d17ef75037937.tar.gz
memory: make sure that client is always inside range
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com>
-rw-r--r--include/exec/memory-internal.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/exec/memory-internal.h b/include/exec/memory-internal.h
index b58010f1d0..d09d6d8355 100644
--- a/include/exec/memory-internal.h
+++ b/include/exec/memory-internal.h
@@ -43,6 +43,7 @@ void qemu_ram_free_from_ptr(ram_addr_t addr);
static inline bool cpu_physical_memory_get_dirty_flag(ram_addr_t addr,
unsigned client)
{
+ assert(client < DIRTY_MEMORY_NUM);
return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] & (1 << client);
}
@@ -74,6 +75,7 @@ static inline int cpu_physical_memory_get_dirty(ram_addr_t start,
static inline void cpu_physical_memory_set_dirty_flag(ram_addr_t addr,
unsigned client)
{
+ assert(client < DIRTY_MEMORY_NUM);
ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] |= (1 << client);
}
@@ -89,6 +91,8 @@ static inline int cpu_physical_memory_clear_dirty_flag(ram_addr_t addr,
{
int mask = ~(1 << client);
+ assert(client < DIRTY_MEMORY_NUM);
+
return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] &= mask;
}