[PATCH v2 5/5] btrfs: remove unused variables

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Signed-off-by: Hubert Kario <kario@xxxxxxxxxx>

diff --git a/cmds-device.c b/cmds-device.c
index a28752f..b1e70f9 100644
--- a/cmds-device.c
+++ b/cmds-device.c
@@ -261,8 +261,6 @@ static int cmd_zero_dev(int argc, char **argv)
 	int arg_processed;
 	int ret = 0;
 	int n;
-	u64 device_len;
-	int mixed_mode_needed = 1; /* keep btrfs_prepare_device() quiet */
 
 	if( argc < 2 ) {
 		usage(cmd_zero_dev_usage);
@@ -278,8 +276,7 @@ static int cmd_zero_dev(int argc, char **argv)
 			continue;
 		}
 
-		n = btrfs_prepare_device(fd, file, &device_len,
-					 &mixed_mode_needed);
+		n = btrfs_prepare_device(fd, file, NULL, NULL);
 		if (n) {
 			fprintf(stderr, "Error when zeroing out %s\n", file);
 			ret |= n;
-- 
1.7.10

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