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Re: [Qemu-devel] [PATCH] tests/hd-geo-test: Don't pass NULL to unlink()


From: John Snow
Subject: Re: [Qemu-devel] [PATCH] tests/hd-geo-test: Don't pass NULL to unlink()
Date: Tue, 6 Sep 2016 15:06:18 -0400
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.2.0

On 09/06/2016 08:47 AM, Peter Maydell wrote:
Ping?

thanks
-- PMM


Not sure who this belongs to; I can queue it up alongside some IDE and FDC stuff in the future if you like.

--js


On 5 August 2016 at 11:03, Peter Maydell <address@hidden> wrote:
The unlink() function doesn't accept a NULL pointer, so
don't pass it one. Spotted by the clang sanitizer.

Signed-off-by: Peter Maydell <address@hidden>
---
 tests/hd-geo-test.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tests/hd-geo-test.c b/tests/hd-geo-test.c
index 12ee392..6176e81 100644
--- a/tests/hd-geo-test.c
+++ b/tests/hd-geo-test.c
@@ -416,7 +416,9 @@ int main(int argc, char **argv)
     ret = g_test_run();

     for (i = 0; i < backend_last; i++) {
-        unlink(img_file_name[i]);
+        if (img_file_name[i]) {
+            unlink(img_file_name[i]);
+        }
     }

     return ret;
--
2.7.4


--
—js



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