[PATCH] ibacm/acme.c: acm/acme.c: Better error handling in resolve_gid

[Hal Rosenstock <hal-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>]

A return of 0 is an error for inet_pton but if 0 is returned
from resolve_gid, show_path is mistakenly called so if
0 is returned from inet_pton, return -1 instead (which is
what is done elsewhere in acme). 

Signed-off-by: Hal Rosenstock <hal-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
---
diff --git a/src/acme.c b/src/acme.c
index 3d7461b..3e5f301 100644
--- a/src/acme.c
+++ b/src/acme.c
@@ -513,13 +513,19 @@ static int resolve_gid(struct ibv_path_record *path)
 	ret = inet_pton(AF_INET6, src_addr, &path->sgid);
 	if (ret <= 0) {
 		printf("inet_pton error on source address (%s): 0x%x\n", src_addr, ret);
-		return ret;
+		if (ret)
+			return ret;
+		else
+			return -1;
 	}
 
 	ret = inet_pton(AF_INET6, dest_addr, &path->dgid);
 	if (ret <= 0) {
 		printf("inet_pton error on dest address (%s): 0x%x\n", dest_addr, ret);
-		return ret;
+		if (ret)
+			return ret;
+		else
+			return -1;
 	}
 
 	path->reversible_numpath = IBV_PATH_RECORD_REVERSIBLE | 1;
--
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