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authorRichard Henderson <rth@twiddle.net>2010-05-03 10:07:49 -0700
committerAurelien Jarno <aurelien@aurel32.net>2010-05-21 16:22:20 +0000
commit7dd46c02e4b83be7fbabe81465137d7116b6add6 (patch)
treec5e7e751cd285dce8984d797ca74b4b2ee86998f /linux-user/syscall.c
parent7868652357a9deb32b2f2d48b8563f2aeebba775 (diff)
downloadfocaccia-qemu-7dd46c02e4b83be7fbabe81465137d7116b6add6.tar.gz
focaccia-qemu-7dd46c02e4b83be7fbabe81465137d7116b6add6.zip
alpha-linux-user: Fix brk error return.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Diffstat (limited to 'linux-user/syscall.c')
-rw-r--r--linux-user/syscall.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index ce728faa4d..746967a1f4 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -718,9 +718,17 @@ abi_long do_brk(abi_ulong new_brk)
                                         PROT_READ|PROT_WRITE,
                                         MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
 
-    if (!is_error(mapped_addr))
+#if defined(TARGET_ALPHA)
+    /* We (partially) emulate OSF/1 on Alpha, which requires we
+       return a proper errno, not an unchanged brk value.  */
+    if (is_error(mapped_addr)) {
+        return -TARGET_ENOMEM;
+    }
+#endif
+
+    if (!is_error(mapped_addr)) {
 	target_brk = new_brk;
-    
+    }
     return target_brk;
 }