[PATCH 05/10] ctl: always return a value from find_dm_name

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From: Benny Halevy <bhalevy@xxxxxxxxxx>

Signed-off-by: Benny Halevy <bhalevy@xxxxxxxxxx>
---
 ctl.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/ctl.c b/ctl.c
index 959ef6a..7432a09 100644
--- a/ctl.c
+++ b/ctl.c
@@ -494,7 +494,7 @@ find_dm_name(int major, int minor)
 	if (((fd = get_output("/sbin/dmsetup", argv)) == -1) ||
 	    ((fp = fdopen(fd, "r")) == NULL)) {
 		printf("%s: get_output/fdopen failed\n", __func__);
-		return;
+		return NULL;
 	}
 	while (fgets(buf, sizeof (buf), fp) != NULL) {
 		t = __token_init(buf, '\t');
@@ -545,6 +545,7 @@ error:
 	
 	fclose(fp);
 	(void) wait(&status);
+	return NULL;
 }
 
 static int
-- 
1.7.6

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