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# ROCK Linux: rock-src/package/base/devfsd/linux-2.6.patch
# ROCK Linux is Copyright (C) 1998 - 2005 Clifford Wolf
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--- devfsd/check_kernel.c.kernel25	2003-06-02 22:17:21.000000000 +0400
+++ devfsd/check_kernel.c	2003-06-02 22:17:43.000000000 +0400
@@ -0,0 +1,30 @@
+#include <sys/types.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <errno.h>
+#include <asm/unistd.h>
+
+extern char *modules_devfs;
+
+/* copied over from module-init-tools backward_compat.c */
+#ifndef __ia64 /* breaks ia64. */
+static _syscall2(long, create_module, const char *, name, size_t, size);
+#else
+#define create_module(name, size) \
+        syscall(__NR_create_module, (name), (size))
+#endif
+
+void check_kernel_version (int verbose)
+{
+	int k26 = 1;
+
+	errno = 0;
+	if (create_module(NULL, 0) >= 0 | errno != ENOSYS) {
+		modules_devfs = "/etc/modules.devfs";
+		k26 = 0;
+	}
+
+	if (verbose)
+		fprintf (stderr, "devfsd: kernel %s detected, using %s for MODLOAD\n",
+			  k26 ? "2.6" : "2.4", modules_devfs);
+}
--- devfsd/devfsd.c.kernel25	2003-06-02 22:17:21.000000000 +0400
+++ devfsd/devfsd.c	2003-06-02 22:17:21.000000000 +0400
@@ -396,10 +396,14 @@ EXTERN_FUNCTION (flag st_expr_expand,
 EXTERN_FUNCTION (const char *get_old_name,
 		 (const char *devname, unsigned int namelen,
 		  char *buffer, unsigned int major, unsigned int minor) );
-
+EXTERN_FUNCTION (void check_kernel_version,
+		 (int) );
 
 /*  Public data  */
 flag syslog_is_open = FALSE;
+/* set to new style, runtime test might override it later */
+char *modules_devfs = "/etc/modprobe.devfs";
+
 
 
 /*  Public functions  */
@@ -508,7 +512,6 @@ static struct event_type
     {0xffffffff,                 NULL,         NULL}
 };
 
-
 /*  Public functions follow  */
 
 int main (int argc, char **argv)
@@ -652,6 +655,7 @@ int main (int argc, char **argv)
     /*  Set umask so that mknod(2), open(2) and mkdir(2) have complete control
 	over permissions  */
     umask (0);
+    check_kernel_version (trace_level);
     read_config (CONFIG_FILE, FALSE, &event_mask);
     /*  Do the scan before forking, so that boot scripts see the finished
 	product  */
@@ -1243,7 +1247,7 @@ static void action_modload (const struct
     argv[0] = "/sbin/modprobe";
     argv[1] = "-k";
     argv[2] = "-C";
-    argv[3] = "/etc/modules.devfs";
+    argv[3] = modules_devfs;
     argv[4] = device;
     argv[5] = NULL;
     snprintf (device, sizeof (device), "/dev/%s", info->devname);
--- devfsd/GNUmakefile.kernel25	2002-02-19 09:06:43.000000000 +0300
+++ devfsd/GNUmakefile	2003-06-02 22:17:21.000000000 +0400
@@ -18,13 +18,16 @@ endif
 all:	devfsd rpm.spec
 
 
-OBJECTS = devfsd.o expression.o compat_name.o
+OBJECTS = devfsd.o expression.o compat_name.o check_kernel.o
 
 CFLAGS = -O2 -I. -I$(KERNEL_DIR)/include -Wall $(CEXTRAS) $(DEFINES)
 
 devfsd:	$(OBJECTS)
 	$(CC) -O2 -o devfsd $(OBJECTS) $(LDFLAGS) -export-dynamic -ldl
 
+check_kernel.o: check_kernel.c
+	$(CC) -O2 -c $<
+
 install: devfsd
 	@if fgrep -q "Generic section: do not change" /etc/modules.conf ; then\
 		echo "First remove the generic devfs entries from /etc/modules.conf"; exit 1; \