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s390: Detect invalid invocations of qemu_ram_free/remap 

This both detects invalid invocations of qemu_ram_free and
qemu_ram_remap when mem_path is non-NULL and fixes a build error on
s390 ("'area' may be used uninitialized in this function").

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
CC: Alexander Graf <agraf@suse.de>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
This commit is contained in:
Jan Kiszka 2011-03-15 12:26:14 +01:00 committed by Marcelo Tosatti
parent 1009d2edea
commit fd28aa1323
1 changed files with 4 additions and 0 deletions
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exec.c
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@ -2931,6 +2931,8 @@ void qemu_ram_free(ram_addr_t addr)
} else {
qemu_vfree(block->host);
}
#else
abort();
#endif
} else {
#if defined(TARGET_S390X) && defined(CONFIG_KVM)
@ -2979,6 +2981,8 @@ void qemu_ram_remap(ram_addr_t addr, ram_addr_t length)
area = mmap(vaddr, length, PROT_READ | PROT_WRITE,
flags, -1, 0);
}
#else
abort();
#endif
} else {
#if defined(TARGET_S390X) && defined(CONFIG_KVM)