From patchwork Sat Dec  4 13:23:46 2010
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Subject: [U-Boot,2/6,v2] LZMA: Avoid free on null pointer
Date: Sat, 04 Dec 2010 03:23:46 -0000
From: luigi.mantellini@idf-hit.com
X-Patchwork-Id: 74270
Message-Id: <1291469030-24984-3-git-send-email-luigi.mantellini@idf-hit.com>
To: <u-boot@lists.denx.de>
Cc: Luigi 'Comio' Mantellini <luigi.mantellini@idf-hit.com>

From: Luigi 'Comio' Mantellini <luigi.mantellini@idf-hit.com>


Signed-off-by: Luigi 'Comio' Mantellini <luigi.mantellini@idf-hit.com>

---
lib/lzma/LzmaDec.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/lib/lzma/LzmaDec.c b/lib/lzma/LzmaDec.c
index f941da2..b2a3aec 100644
--- a/lib/lzma/LzmaDec.c
+++ b/lib/lzma/LzmaDec.c
@@ -913,7 +913,9 @@ SRes LzmaDec_DecodeToBuf(CLzmaDec *p, Byte *dest, SizeT *destLen, const Byte *sr
 
 void LzmaDec_FreeProbs(CLzmaDec *p, ISzAlloc *alloc)
 {
-  alloc->Free(alloc, p->probs);
+  if (p->probs) {
+    alloc->Free(alloc, p->probs);
+  }
   p->probs = 0;
 }