[07/10] flatload: fix bss clearing

Submitted by Peter Maydell on Aug. 14, 2012, 9:40 a.m.

Details

Message ID 1344937236-611-8-git-send-email-peter.maydell@linaro.org
State New
Headers show

Commit Message

Peter Maydell Aug. 14, 2012, 9:40 a.m.
From: Mike Frysinger <vapier@gentoo.org>

The current bss clear logic assumes the target mmap address and host
address are the same.  Use g2h to translate from the target address
space to the host so we can call memset on it.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 linux-user/flatload.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch hide | download patch | download mbox

diff --git a/linux-user/flatload.c b/linux-user/flatload.c
index be79496..58f679e 100644
--- a/linux-user/flatload.c
+++ b/linux-user/flatload.c
@@ -660,7 +660,7 @@  static int load_flat_file(struct linux_binprm * bprm,
     }
 
     /* zero the BSS.  */
-    memset((void *)((unsigned long)datapos + data_len), 0, bss_len);
+    memset(g2h(datapos + data_len), 0, bss_len);
 
     return 0;
 }