From 2416dfc3c9398aaeb37cf31df667784b8f1fe563 Mon Sep 17 00:00:00 2001
From: Eric Andersen <andersen@codepoet.org>
Date: Mon, 14 May 2001 20:03:04 +0000
Subject: [PATCH] A compromise solution for insmod

---
 insmod.c          | 19 +++++++++++++++----
 modutils/insmod.c | 19 +++++++++++++++----
 2 files changed, 30 insertions(+), 8 deletions(-)

diff --git a/insmod.c b/insmod.c
index 44c34a2e8..0644affd1 100644
--- a/insmod.c
+++ b/insmod.c
@@ -124,7 +124,7 @@
 #ifndef MODUTILS_MODULE_H
 static const int MODUTILS_MODULE_H = 1;
 
-#ident "$Id: insmod.c,v 1.62 2001/05/14 18:27:25 kraai Exp $"
+#ident "$Id: insmod.c,v 1.63 2001/05/14 20:03:04 andersen Exp $"
 
 /* This file contains the structures used by the 2.0 and 2.1 kernels.
    We do not use the kernel headers directly because we do not wish
@@ -330,7 +330,7 @@ int delete_module(const char *);
 #ifndef MODUTILS_OBJ_H
 static const int MODUTILS_OBJ_H = 1;
 
-#ident "$Id: insmod.c,v 1.62 2001/05/14 18:27:25 kraai Exp $"
+#ident "$Id: insmod.c,v 1.63 2001/05/14 20:03:04 andersen Exp $"
 
 /* The relocatable object is manipulated using elfin types.  */
 
@@ -3180,18 +3180,29 @@ extern int insmod_main( int argc, char **argv)
 		 * but do not error out yet if we fail to find it... */
 		if (uname(&myuname) == 0) {
 			char module_dir[FILENAME_MAX];
+			char real_module_dir[FILENAME_MAX];
 			snprintf (module_dir, sizeof(module_dir), "%s/%s", 
 					_PATH_MODULES, myuname.release);
-			recursive_action(module_dir, TRUE, TRUE, FALSE,
+			/* Jump through hoops in case /lib/modules/`uname -r`
+			 * is a symlink.  We do not want recursive_action to
+			 * follow symlinks, but we do want to follow the
+			 * /lib/modules/`uname -r` dir, So resolve it ourselves
+			 * if it is a link... */
+			if (realpath (module_dir, real_module_dir) == NULL)
+				strcpy(real_module_dir, module_dir);
+			recursive_action(real_module_dir, TRUE, FALSE, FALSE,
 					check_module_name_match, 0, m_fullName);
 		}
 
 		/* Check if we have found anything yet */
 		if (m_filename[0] == '\0' || ((fp = fopen(m_filename, "r")) == NULL)) 
 		{
+			char module_dir[FILENAME_MAX];
+			if (realpath (_PATH_MODULES, module_dir) == NULL)
+				strcpy(module_dir, _PATH_MODULES);
 			/* No module found under /lib/modules/`uname -r`, this
 			 * time cast the net a bit wider.  Search /lib/modules/ */
-			if (recursive_action(_PATH_MODULES, TRUE, TRUE, FALSE,
+			if (recursive_action(module_dir, TRUE, FALSE, FALSE,
 						check_module_name_match, 0, m_fullName) == FALSE) 
 			{
 				if (m_filename[0] == '\0'
diff --git a/modutils/insmod.c b/modutils/insmod.c
index 44c34a2e8..0644affd1 100644
--- a/modutils/insmod.c
+++ b/modutils/insmod.c
@@ -124,7 +124,7 @@
 #ifndef MODUTILS_MODULE_H
 static const int MODUTILS_MODULE_H = 1;
 
-#ident "$Id: insmod.c,v 1.62 2001/05/14 18:27:25 kraai Exp $"
+#ident "$Id: insmod.c,v 1.63 2001/05/14 20:03:04 andersen Exp $"
 
 /* This file contains the structures used by the 2.0 and 2.1 kernels.
    We do not use the kernel headers directly because we do not wish
@@ -330,7 +330,7 @@ int delete_module(const char *);
 #ifndef MODUTILS_OBJ_H
 static const int MODUTILS_OBJ_H = 1;
 
-#ident "$Id: insmod.c,v 1.62 2001/05/14 18:27:25 kraai Exp $"
+#ident "$Id: insmod.c,v 1.63 2001/05/14 20:03:04 andersen Exp $"
 
 /* The relocatable object is manipulated using elfin types.  */
 
@@ -3180,18 +3180,29 @@ extern int insmod_main( int argc, char **argv)
 		 * but do not error out yet if we fail to find it... */
 		if (uname(&myuname) == 0) {
 			char module_dir[FILENAME_MAX];
+			char real_module_dir[FILENAME_MAX];
 			snprintf (module_dir, sizeof(module_dir), "%s/%s", 
 					_PATH_MODULES, myuname.release);
-			recursive_action(module_dir, TRUE, TRUE, FALSE,
+			/* Jump through hoops in case /lib/modules/`uname -r`
+			 * is a symlink.  We do not want recursive_action to
+			 * follow symlinks, but we do want to follow the
+			 * /lib/modules/`uname -r` dir, So resolve it ourselves
+			 * if it is a link... */
+			if (realpath (module_dir, real_module_dir) == NULL)
+				strcpy(real_module_dir, module_dir);
+			recursive_action(real_module_dir, TRUE, FALSE, FALSE,
 					check_module_name_match, 0, m_fullName);
 		}
 
 		/* Check if we have found anything yet */
 		if (m_filename[0] == '\0' || ((fp = fopen(m_filename, "r")) == NULL)) 
 		{
+			char module_dir[FILENAME_MAX];
+			if (realpath (_PATH_MODULES, module_dir) == NULL)
+				strcpy(module_dir, _PATH_MODULES);
 			/* No module found under /lib/modules/`uname -r`, this
 			 * time cast the net a bit wider.  Search /lib/modules/ */
-			if (recursive_action(_PATH_MODULES, TRUE, TRUE, FALSE,
+			if (recursive_action(module_dir, TRUE, FALSE, FALSE,
 						check_module_name_match, 0, m_fullName) == FALSE) 
 			{
 				if (m_filename[0] == '\0'