[BusyBox-cvs] svn commit: trunk/busybox/libbb

vapier at busybox.net vapier at busybox.net
Sat Aug 27 18:19:02 UTC 2005


Author: vapier
Date: 2005-08-27 12:19:01 -0600 (Sat, 27 Aug 2005)
New Revision: 11267

Log:
make sure __NF_sysfs exists before trying to use it

Modified:
   trunk/busybox/libbb/syscalls.c


Changeset:
Modified: trunk/busybox/libbb/syscalls.c
===================================================================
--- trunk/busybox/libbb/syscalls.c	2005-08-27 18:18:06 UTC (rev 11266)
+++ trunk/busybox/libbb/syscalls.c	2005-08-27 18:19:01 UTC (rev 11267)
@@ -31,7 +31,16 @@
 
 int sysfs(int option, unsigned int fs_index, char * buf)
 {
+#ifndef __NR_pivot_root
+#warning This kernel does not support the sysfs syscall
+#warning -> The sysfs system call is being stubbed out...
+	bb_error_msg("\n\nTo make this application work, you will need to recompile\n"
+	             "BusyBox with a kernel supporting the pivot_root system call.\n");
+	errno = ENOSYS;
+	return -1;
+#else
 	return(syscall(__NR_sysfs, option, fs_index, buf));
+#endif
 }
 
 int pivot_root(const char * new_root,const char * put_old)




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