X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=contrib%2Fgregbook%2Freadppm.c;h=7fefc3943ec47a1df394efbc1c1e631dba8e8934;hb=361fb099aa967c1618d8071268abab395e67e86a;hp=be9a56d95fd2a350df9b1593d7af62279646cb52;hpb=5ab0f6df7ecb95c9b816ece7a88a8df92b0cb2af;p=platform%2Fupstream%2Flibpng.git

diff --git a/contrib/gregbook/readppm.c b/contrib/gregbook/readppm.c
index be9a56d..7fefc39 100644
--- a/contrib/gregbook/readppm.c
+++ b/contrib/gregbook/readppm.c
@@ -163,8 +163,12 @@ uch *readpng_get_image(double display_exponent, int *pChannels, ulg *pRowbytes)
 
     /* now we can go ahead and just read the whole image */
 
-    fread(image_data, 1L, rowbytes*height, saved_infile);
-
+    if (fread(image_data, 1L, rowbytes*height, saved_infile) <
+       rowbytes*height) {
+        free (image_data);
+        image_data = NULL;
+        return NULL;
+    }
 
     return image_data;
 }