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From 6b0ffea6b4093185ae5eedc1ce115c4b1a51e65d Mon Sep 17 00:00:00 2001
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From: Vladimir 'phcoder' Serbinenko <phcoder@gmail.com>
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Date: Fri, 1 Feb 2013 21:51:09 +0100
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Subject: [PATCH 150/364] * grub-core/fs/fshelp.c (find_file): Set
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oldnode to zero after freeing it.
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---
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ChangeLog | 5 +++++
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grub-core/fs/fshelp.c | 8 +++++++-
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2 files changed, 12 insertions(+), 1 deletion(-)
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diff --git a/ChangeLog b/ChangeLog
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index 2e681c1..f5396fe 100644
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--- a/ChangeLog
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+++ b/ChangeLog
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@@ -1,5 +1,10 @@
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2013-02-01 Vladimir Serbinenko <phcoder@gmail.com>
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+ * grub-core/fs/fshelp.c (find_file): Set oldnode to zero after
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+ freeing it.
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+
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+2013-02-01 Vladimir Serbinenko <phcoder@gmail.com>
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+
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Implement USBDebug (full USB stack variant).
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2013-02-01 Vladimir Serbinenko <phcoder@gmail.com>
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diff --git a/grub-core/fs/fshelp.c b/grub-core/fs/fshelp.c
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index 7e557c3..11a1259 100644
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--- a/grub-core/fs/fshelp.c
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+++ b/grub-core/fs/fshelp.c
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@@ -147,6 +147,7 @@ find_file (const char *currpath, grub_fshelp_node_t currroot,
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free_node (ctx->currnode, ctx);
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free_node (ctx->oldnode, ctx);
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ctx->currnode = 0;
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+ ctx->oldnode = 0;
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return grub_error (GRUB_ERR_SYMLINK_LOOP,
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N_("too deep nesting of symlinks"));
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}
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@@ -158,6 +159,7 @@ find_file (const char *currpath, grub_fshelp_node_t currroot,
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if (!symlink)
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{
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free_node (ctx->oldnode, ctx);
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+ ctx->oldnode = 0;
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return grub_errno;
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}
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@@ -177,12 +179,16 @@ find_file (const char *currpath, grub_fshelp_node_t currroot,
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if (grub_errno)
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{
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free_node (ctx->oldnode, ctx);
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+ ctx->oldnode = 0;
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return grub_errno;
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}
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}
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if (ctx->oldnode != ctx->currnode)
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- free_node (ctx->oldnode, ctx);
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+ {
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+ free_node (ctx->oldnode, ctx);
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+ ctx->oldnode = 0;
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+ }
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/* Found the node! */
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if (! next || *next == '\0')
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--
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1.8.1.4
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