svn commit: r233595 - stable/9/sys/kern

[Andrey V. Elsukov]

Author: ae
Date: Wed Mar 28 06:49:04 2012
New Revision: 233595
URL: http://svn.freebsd.org/changeset/base/233595

Log:
  MFC r233276:
    Acquire modules lock before call module_getname() in the KLD_DEBUG case.

Modified:
  stable/9/sys/kern/kern_linker.c
Directory Properties:
  stable/9/sys/   (props changed)

Modified: stable/9/sys/kern/kern_linker.c
==============================================================================
--- stable/9/sys/kern/kern_linker.c	Wed Mar 28 05:37:20 2012	(r233594)
+++ stable/9/sys/kern/kern_linker.c	Wed Mar 28 06:49:04 2012	(r233595)
@@ -636,8 +636,12 @@ linker_file_unload(linker_file_t file, i
 		 * Give the module a chance to veto the unload.
 		 */
 		if ((error = module_unload(mod)) != 0) {
+#ifdef KLD_DEBUG
+			MOD_SLOCK;
 			KLD_DPF(FILE, ("linker_file_unload: module %s"
 			    " failed unload\n", module_getname(mod)));
+			MOD_SUNLOCK;
+#endif
 			return (error);
 		}
 		MOD_XLOCK;