/*
- * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
+ * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL
*/
#include "linux/bootmem.h"
#include "linux/initrd.h"
#include "asm/types.h"
-#include "user_util.h"
-#include "kern_util.h"
#include "initrd.h"
#include "init.h"
#include "os.h"
long long size;
int err;
- if(initrd == NULL) return 0;
+ if (initrd == NULL)
+ return 0;
+
err = os_file_size(initrd, &size);
- if(err) return 0;
+ if (err)
+ return 0;
+
+ /*
+ * This is necessary because alloc_bootmem craps out if you
+ * ask for no memory.
+ */
+ if (size == 0) {
+ printk(KERN_ERR "\"%s\" is a zero-size initrd\n", initrd);
+ return 0;
+ }
+
area = alloc_bootmem(size);
- if(area == NULL) return 0;
- if(load_initrd(initrd, area, size) == -1) return 0;
+ if (area == NULL)
+ return 0;
+
+ if (load_initrd(initrd, area, size) == -1)
+ return 0;
+
initrd_start = (unsigned long) area;
initrd_end = initrd_start + size;
return 0;
int fd, n;
fd = os_open_file(filename, of_read(OPENFLAGS()), 0);
- if(fd < 0){
- printk("Opening '%s' failed - err = %d\n", filename, -fd);
- return(-1);
+ if (fd < 0) {
+ printk(KERN_ERR "Opening '%s' failed - err = %d\n", filename,
+ -fd);
+ return -1;
}
n = os_read_file(fd, buf, size);
- if(n != size){
- printk("Read of %d bytes from '%s' failed, err = %d\n", size,
+ if (n != size) {
+ printk(KERN_ERR "Read of %d bytes from '%s' failed, "
+ "err = %d\n", size,
filename, -n);
- return(-1);
+ return -1;
}
os_close_file(fd);
- return(0);
+ return 0;
}
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only. This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */