From: Jim Meyering <jim@meyering.net>
Date: Thu, 12 May 2005 07:54:10 +0000 (+0000)
Subject: Assume `free (NULL)' works.
X-Git-Tag: CPPI-1_12~827
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=258fbb886034baf260e1a5ed5c3446cce9fa6fb4;p=thirdparty%2Fcoreutils.git

Assume `free (NULL)' works.
---

diff --git a/src/dd.c b/src/dd.c
index 9c7c96cfef..26929bdcbd 100644
--- a/src/dd.c
+++ b/src/dd.c
@@ -1543,8 +1543,7 @@ dd_copy (void)
     }
 
   free (real_buf);
-  if (real_obuf)
-    free (real_obuf);
+  free (real_obuf);
 
   if ((conversions_mask & C_FDATASYNC) && fdatasync (STDOUT_FILENO) != 0)
     {
diff --git a/src/df.c b/src/df.c
index 176f89b895..49de58c415 100644
--- a/src/df.c
+++ b/src/df.c
@@ -591,8 +591,7 @@ show_point (const char *point, const struct stat *statp)
 	      }
 	}
 
-      if (resolved)
-	free (resolved);
+      free (resolved);
 
       if (best_match
 	  && (stat (best_match->me_mountdir, &disk_stats) != 0
diff --git a/src/dircolors.c b/src/dircolors.c
index 1253980d0f..1dbe6c4b4d 100644
--- a/src/dircolors.c
+++ b/src/dircolors.c
@@ -364,8 +364,7 @@ dc_parse_stream (FILE *fp, const char *filename)
 	}
 
       free (keywd);
-      if (arg)
-	free (arg);
+      free (arg);
     }
 
   return ok;
diff --git a/src/head.c b/src/head.c
index 3b54e8849f..253ace50ea 100644
--- a/src/head.c
+++ b/src/head.c
@@ -392,8 +392,7 @@ elide_tail_bytes_pipe (const char *filename, int fd, uintmax_t n_elide_0)
 
     free_mem:;
       for (i = 0; i < n_bufs; i++)
-	if (b[i])
-	  free (b[i]);
+	free (b[i]);
       free (b);
 
       return ok;