[PATCH] UML - print errno before resetting it

[Jeff Dike]

Make sure we print ERRNO and not always -1.

Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade_spam@xxxxxxxx>
Signed-off-by: Jeff Dike <jdike@xxxxxxxxxxx>

Index: linux-2.6.9-rc2-mm1-orig/arch/um/drivers/ubd_kern.c
===================================================================
--- linux-2.6.9-rc2-mm1-orig.orig/arch/um/drivers/ubd_kern.c	2004-09-22 20:39:58.000000000 -0400
+++ linux-2.6.9-rc2-mm1-orig/arch/um/drivers/ubd_kern.c	2004-09-22 20:45:40.000000000 -0400
@@ -776,10 +776,10 @@
 	io_pid = start_io_thread(stack + PAGE_SIZE - sizeof(void *), 
 				 &thread_fd);
 	if(io_pid < 0){
-		io_pid = -1;
 		printk(KERN_ERR 
 		       "ubd : Failed to start I/O thread (errno = %d) - "
 		       "falling back to synchronous I/O\n", -io_pid);
+		io_pid = -1;
 		return(0);
 	}
 	err = um_request_irq(UBD_IRQ, thread_fd, IRQ_READ, ubd_intr, 

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