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[Qemu-trivial] [PATCH] Added negative check for get_image_size()


From: Zhou Jie
Subject: [Qemu-trivial] [PATCH] Added negative check for get_image_size()
Date: Mon, 25 Apr 2016 11:36:06 -0400

This patch adds check for negative return value from get_image_size(),
where it is missing. It avoids unnecessary two function calls.

Signed-off-by: Zhou Jie <address@hidden>
---
 hw/ppc/spapr.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index feaab08..ccea633 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -1842,6 +1842,10 @@ static void ppc_spapr_init(MachineState *machine)
         exit(1);
     }
     spapr->rtas_size = get_image_size(filename);
+    if (spapr->rtas_size < 0) {
+        error_report("Could not get size of LPAR rtas '%s'", filename);
+        exit(1);
+    }
     spapr->rtas_blob = g_malloc(spapr->rtas_size);
     if (load_image_size(filename, spapr->rtas_blob, spapr->rtas_size) < 0) {
         error_report("Could not load LPAR rtas '%s'", filename);
-- 
2.5.5






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