*: remove a few more cases of argc usage. -89 bytes.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 3 insertions, 5 deletions

diff --git a/util-linux/freeramdisk.c b/util-linux/freeramdisk.c
index 6b9d95e69..4949056a6 100644
--- a/util-linux/freeramdisk.c
+++ b/util-linux/freeramdisk.c
@@ -15,16 +15,14 @@
 #define FDFLUSH  _IO(2,0x4b)
 
 int freeramdisk_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int freeramdisk_main(int argc, char **argv)
+int freeramdisk_main(int argc UNUSED_PARAM, char **argv)
 {
         int fd;
 
-        if (argc != 2) bb_show_usage();
-
-        fd = xopen(argv[1], O_RDWR);
+        fd = xopen(single_argv(argv), O_RDWR);
 
         // Act like freeramdisk, fdflush, or both depending on configuration.
-        ioctl_or_perror_and_die(fd, (ENABLE_FREERAMDISK && applet_name[1]=='r')
+        ioctl_or_perror_and_die(fd, (ENABLE_FREERAMDISK && applet_name[1] == 'r')
                         || !ENABLE_FDFLUSH ? BLKFLSBUF : FDFLUSH, NULL, "%s", argv[1]);
 
         if (ENABLE_FEATURE_CLEAN_UP) close(fd);