X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=util-linux%2Ffreeramdisk.c;h=aabb5f98827641ed79ef3c6fa890f6a338c4158b;hb=ace02dc9cd3ca0c95db5b5ebe87b9d6cd6ca1733;hp=a2b17c6737b9daa31bdef62e4048584111bceb22;hpb=1fa1adea2ae16d4f4c82d7466905dce4c6edd5f5;p=oweals%2Fbusybox.git

diff --git a/util-linux/freeramdisk.c b/util-linux/freeramdisk.c
index a2b17c673..aabb5f988 100644
--- a/util-linux/freeramdisk.c
+++ b/util-linux/freeramdisk.c
@@ -27,6 +27,7 @@
 #include <fcntl.h>
 #include <sys/ioctl.h>
 #include <errno.h>
+#include <stdlib.h>
 #include "busybox.h"
 
 
@@ -36,16 +37,15 @@
 extern int
 freeramdisk_main(int argc, char **argv)
 {
-	int   f;
+	FILE *f;
 
 	if (argc != 2 || *argv[1] == '-') {
-		usage(freeramdisk_usage);
+		show_usage();
 	}
 
-	if ((f = open(argv[1], O_RDWR)) == -1) {
-		perror_msg_and_die("cannot open %s", argv[1]);
-	}
-	if (ioctl(f, BLKFLSBUF) < 0) {
+	f = xfopen(argv[1], "r+");
+	
+	if (ioctl(fileno(f), BLKFLSBUF) < 0) {
 		perror_msg_and_die("failed ioctl on %s", argv[1]);
 	}
 	/* Don't bother closing.  Exit does