svn commit: r247764 - in head/sys/compat: linprocfs linux

[Eitan Adler]

Author: eadler
Date: Mon Mar  4 02:21:34 2013
New Revision: 247764
URL: http://svnweb.freebsd.org/changeset/base/247764

Log:
  Remove check for NULL prior to free(9) and m_freem(9).
  
  Approved by:	cperciva (mentor)

Modified:
  head/sys/compat/linprocfs/linprocfs.c
  head/sys/compat/linux/linux_file.c
  head/sys/compat/linux/linux_socket.c

Modified: head/sys/compat/linprocfs/linprocfs.c
==============================================================================
--- head/sys/compat/linprocfs/linprocfs.c	Mon Mar  4 02:21:31 2013	(r247763)
+++ head/sys/compat/linprocfs/linprocfs.c	Mon Mar  4 02:21:34 2013	(r247764)
@@ -386,8 +386,7 @@ linprocfs_domtab(PFS_FILL_ARGS)
 		sbuf_printf(sb, " 0 0\n");
 	}
 	mtx_unlock(&mountlist_mtx);
-	if (flep != NULL)
-		free(flep, M_TEMP);
+	free(flep, M_TEMP);
 	return (error);
 }
 
@@ -447,8 +446,7 @@ linprocfs_dopartitions(PFS_FILL_ARGS)
 	}
 	g_topology_unlock();
 
-	if (flep != NULL)
-		free(flep, M_TEMP);
+	free(flep, M_TEMP);
 	return (error);
 }
 

Modified: head/sys/compat/linux/linux_file.c
==============================================================================
--- head/sys/compat/linux/linux_file.c	Mon Mar  4 02:21:31 2013	(r247763)
+++ head/sys/compat/linux/linux_file.c	Mon Mar  4 02:21:34 2013	(r247764)
@@ -517,8 +517,7 @@ eof:
 	td->td_retval[0] = nbytes - resid;
 
 out:
-	if (cookies)
-		free(cookies, M_TEMP);
+	free(cookies, M_TEMP);
 
 	VOP_UNLOCK(vp, 0);
 	foffset_unlock(fp, off, 0);

Modified: head/sys/compat/linux/linux_socket.c
==============================================================================
--- head/sys/compat/linux/linux_socket.c	Mon Mar  4 02:21:31 2013	(r247763)
+++ head/sys/compat/linux/linux_socket.c	Mon Mar  4 02:21:34 2013	(r247764)
@@ -1443,10 +1443,8 @@ out:
 
 bad:
 	free(iov, M_IOV);
-	if (control != NULL)
-		m_freem(control);
-	if (linux_cmsg != NULL)
-		free(linux_cmsg, M_TEMP);
+	m_freem(control);
+	free(linux_cmsg, M_TEMP);
 
 	return (error);
 }