patch-2.4.19 linux-2.4.19/fs/jffs2/zlib.c

• Lines: 55
• Date: Fri Aug 2 17:39:45 2002
• Orig file: linux-2.4.18/fs/jffs2/zlib.c
• Orig date: Fri Sep 14 14:04:07 2001

diff -urN linux-2.4.18/fs/jffs2/zlib.c linux-2.4.19/fs/jffs2/zlib.c
@@ -14,7 +14,7 @@
  */
 
 /* 
- *  ==FILEVERSION 971210==
+ *  ==FILEVERSION 20020318==
  *
  * This marker is used by the Linux installation script to determine
  * whether an up-to-date version of this file is already installed.
@@ -772,7 +772,7 @@
         windowBits = -windowBits;
     }
     if (memLevel < 1 || memLevel > MAX_MEM_LEVEL || method != Z_DEFLATED ||
-        windowBits < 8 || windowBits > 15 || level < 0 || level > 9 ||
+        windowBits < 9 || windowBits > 15 || level < 0 || level > 9 ||
 	strategy < 0 || strategy > Z_HUFFMAN_ONLY) {
         return Z_STREAM_ERROR;
     }
@@ -3860,10 +3860,12 @@
                              &s->sub.trees.tb, z);
       if (t != Z_OK)
       {
-        ZFREE(z, s->sub.trees.blens);
         r = t;
         if (r == Z_DATA_ERROR)
+	{
+	  ZFREE(z, s->sub.trees.blens);
           s->mode = BADB;
+	}
         LEAVE
       }
       s->sub.trees.index = 0;
@@ -3928,11 +3930,13 @@
 #endif
         t = inflate_trees_dynamic(257 + (t & 0x1f), 1 + ((t >> 5) & 0x1f),
                                   s->sub.trees.blens, &bl, &bd, &tl, &td, z);
-        ZFREE(z, s->sub.trees.blens);
         if (t != Z_OK)
         {
           if (t == (uInt)Z_DATA_ERROR)
+	  {
+	    ZFREE(z, s->sub.trees.blens);
             s->mode = BADB;
+	  }
           r = t;
           LEAVE
         }
@@ -3945,6 +3949,7 @@
           r = Z_MEM_ERROR;
           LEAVE
         }
+        ZFREE(z, s->sub.trees.blens);
         s->sub.decode.codes = c;
         s->sub.decode.tl = tl;
         s->sub.decode.td = td;