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From: BALATON Zoltan <balaton@eik.bme.hu>
To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org
Cc: David Gibson <david@gibson.dropbear.id.au>,
	Paolo Bonzini <pbonzini@redhat.com>
Subject: [Qemu-devel] [PATCH for 3.0] sam460ex: Correct use after free error
Date: Sun, 15 Jul 2018 22:47:26 +0200	[thread overview]
Message-ID: <20180715211731.2EBA27456B1@zero.eik.bme.hu> (raw)

Commit 51b0d834c changed error handling to report file name in error
message but forgot to move freeing it after usage. Noticed by Coverity.

Fixes: CID 1394217
Reported-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
---
 hw/ppc/sam460ex.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/hw/ppc/sam460ex.c b/hw/ppc/sam460ex.c
index e2b7028..0999efc 100644
--- a/hw/ppc/sam460ex.c
+++ b/hw/ppc/sam460ex.c
@@ -269,11 +269,12 @@ static int sam460ex_load_device_tree(hwaddr addr,
         exit(1);
     }
     fdt = load_device_tree(filename, &fdt_size);
-    g_free(filename);
     if (!fdt) {
         error_report("Couldn't load dtb file `%s'", filename);
+        g_free(filename);
         exit(1);
     }
+    g_free(filename);
 
     /* Manipulate device tree in memory. */
 
-- 
2.7.6

             reply	other threads:[~2018-07-15 21:17 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-15 20:47 BALATON Zoltan [this message]
2018-07-15 22:19 ` [Qemu-devel] [PATCH for 3.0] sam460ex: Correct use after free error Philippe Mathieu-Daudé
2018-07-16  1:18 ` David Gibson

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