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[PATCH] Uninitialized variable


From: Grégoire Sutre
Subject: [PATCH] Uninitialized variable
Date: Thu, 23 Sep 2010 18:53:49 +0200
User-agent: Mozilla/5.0 (X11; U; NetBSD i386; en-US; rv:1.9.1.11) Gecko/20100723 Lightning/1.0b2pre Shredder/3.0.6

Hi,

This is catched (as a warning) by gcc 4.1.3 -- gcc 4.4 does not
complain (maybe some command-line option is missing?).

Grégoire


2010-09-23  Grégoire Sutre  <address@hidden>

        * grub-core/commands/acpihalt.c (get_sleep_type): Initialize prev.

=== modified file 'grub-core/commands/acpihalt.c'
--- grub-core/commands/acpihalt.c       2010-09-13 18:29:15 +0000
+++ grub-core/commands/acpihalt.c       2010-09-23 13:23:46 +0000
@@ -134,11 +134,11 @@ skip_ext_op (const grub_uint8_t *ptr, co
 }

 static int
 get_sleep_type (grub_uint8_t *table, grub_uint8_t *end)
 {
-  grub_uint8_t *ptr, *prev;
+  grub_uint8_t *ptr, *prev = 0;
   int sleep_type = -1;

   ptr = table + sizeof (struct grub_acpi_table_header);
   while (ptr < end && prev < ptr)
     {





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