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* [Qemu-devel] [PATCH] osdep.c fd leak fix
@ 2006-08-14 16:53 Igor Kovalenko
  0 siblings, 0 replies; only message in thread
From: Igor Kovalenko @ 2006-08-14 16:53 UTC (permalink / raw)
  To: qemu-devel


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Hi!

mkstemp() does open fd for us, no need to leak one file descriptor.
Please apply.

--
Kind Regards,
Igor V. Kovalenko

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[-- Attachment #2: osdep-fd-leak.diff --]
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Index: osdep.c
===================================================================
RCS file: /cvsroot/qemu/qemu/osdep.c,v
retrieving revision 1.13
diff -u -r1.13 osdep.c
--- osdep.c	3 Aug 2006 17:53:19 -0000	1.13
+++ osdep.c	14 Aug 2006 16:48:39 -0000
@@ -120,7 +120,8 @@
         }
         snprintf(phys_ram_file, sizeof(phys_ram_file), "%s/qemuXXXXXX", 
                  tmpdir);
-        if (mkstemp(phys_ram_file) < 0) {
+        phys_ram_fd = mkstemp(phys_ram_file);
+        if (phys_ram_fd < 0) {
             fprintf(stderr, 
                     "warning: could not create temporary file in '%s'.\n"
                     "Use QEMU_TMPDIR to select a directory in a tmpfs filesystem.\n"
@@ -128,18 +129,13 @@
                     tmpdir);
             snprintf(phys_ram_file, sizeof(phys_ram_file), "%s/qemuXXXXXX", 
                      "/tmp");
-            if (mkstemp(phys_ram_file) < 0) {
+            phys_ram_fd = mkstemp(phys_ram_file);
+            if (phys_ram_fd < 0) {
                 fprintf(stderr, "Could not create temporary memory file '%s'\n", 
                         phys_ram_file);
                 exit(1);
             }
         }
-        phys_ram_fd = open(phys_ram_file, O_CREAT | O_TRUNC | O_RDWR, 0600);
-        if (phys_ram_fd < 0) {
-            fprintf(stderr, "Could not open temporary memory file '%s'\n", 
-                    phys_ram_file);
-            exit(1);
-        }
         unlink(phys_ram_file);
     }
     size = (size + 4095) & ~4095;

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2006-08-14 16:53 [Qemu-devel] [PATCH] osdep.c fd leak fix Igor Kovalenko

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