From: Mark Adler <madler@alumni.caltech.edu>
Date: Sat, 3 Mar 2012 17:28:00 +0000 (-0800)
Subject: Fix bug in gzclose_w() when gzwrite() fails to allocate memory.
X-Git-Tag: upstream/1.2.8~118
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=53bfe01cea647ef6f6b86edbc51d0fad4640e4a6;p=platform%2Fupstream%2Fzlib.git

Fix bug in gzclose_w() when gzwrite() fails to allocate memory.
---

diff --git a/gzwrite.c b/gzwrite.c
index 6e6d8a2..27cb342 100644
--- a/gzwrite.c
+++ b/gzwrite.c
@@ -547,13 +547,15 @@ int ZEXPORT gzclose_w(file)
     }
 
     /* flush, free memory, and close file */
-    if (gz_comp(state, Z_FINISH) == -1)
-        ret = state->err;
-    if (!state->direct) {
-        (void)deflateEnd(&(state->strm));
-        free(state->out);
+    if (state->size) {
+        if (gz_comp(state, Z_FINISH) == -1)
+            ret = state->err;
+        if (!state->direct) {
+            (void)deflateEnd(&(state->strm));
+            free(state->out);
+        }
+        free(state->in);
     }
-    free(state->in);
     gz_error(state, Z_OK, NULL);
     free(state->path);
     if (close(state->fd) == -1)