linux-ext4 - [PATCH] Handle failed malloc.

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Date:	Tue, 05 Feb 2008 13:06:22 +0100
From:	Jim Meyering <jim@...ering.net>
To:	linux-ext4@...r.kernel.org
Subject: [PATCH] Handle failed malloc.


* lib/inflate.c (inflate_dynamic): Don't deref NULL upon failed malloc.
* arch/um/os-Linux/mem.c (make_tempfile): Likewise.

Signed-off-by: Jim Meyering <meyering@...hat.com>
---
 arch/um/os-Linux/mem.c |    2 ++
 lib/inflate.c          |    3 +++
 2 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/arch/um/os-Linux/mem.c b/arch/um/os-Linux/mem.c
index 436f8d2..e114d09 100644
--- a/arch/um/os-Linux/mem.c
+++ b/arch/um/os-Linux/mem.c
@@ -172,6 +172,8 @@ int __init make_tempfile(const char *template, char **out_tempname,

 	which_tmpdir();
 	tempname = malloc(MAXPATHLEN);
+	if (tempname == NULL)
+	  return -1;

 	find_tempdir();
 	if (template[0] != '/')
diff --git a/lib/inflate.c b/lib/inflate.c
index 845f91d..9762294 100644
--- a/lib/inflate.c
+++ b/lib/inflate.c
@@ -811,6 +811,9 @@ DEBG("<dyn");
   ll = malloc(sizeof(*ll) * (286+30));  /* literal/length and distance code lengths */
 #endif

+  if (ll == NULL)
+    return 1;
+
   /* make local bit buffer */
   b = bb;
   k = bk;
--
1.5.4.19.gd3dfd
-
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