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[Qemu-devel] [PATCH v4 2/3] qemu-bridge-helper: move repeating code in p


From: P J P
Subject: [Qemu-devel] [PATCH v4 2/3] qemu-bridge-helper: move repeating code in parse_acl_file
Date: Tue, 23 Jul 2019 16:17:53 +0530

From: Prasad J Pandit <address@hidden>

Move repeating error handling sequence in parse_acl_file routine
to an 'err' label.

Signed-off-by: Prasad J Pandit <address@hidden>
---
 qemu-bridge-helper.c | 19 +++++++++----------
 1 file changed, 9 insertions(+), 10 deletions(-)

Reviewed v3:
  -> https://lists.nongnu.org/archive/html/qemu-devel/2019-07/msg00247.html

diff --git a/qemu-bridge-helper.c b/qemu-bridge-helper.c
index e90c22f07d..91a02f9611 100644
--- a/qemu-bridge-helper.c
+++ b/qemu-bridge-helper.c
@@ -92,9 +92,7 @@ static int parse_acl_file(const char *filename, ACLList 
*acl_list)
 
         if (arg == NULL) {
             fprintf(stderr, "Invalid config line:\n  %s\n", line);
-            fclose(f);
-            errno = EINVAL;
-            return -1;
+            goto err;
         }
 
         *arg = 0;
@@ -111,9 +109,7 @@ static int parse_acl_file(const char *filename, ACLList 
*acl_list)
 
         if (!g_str_equal(cmd, "include") && strlen(arg) >= IFNAMSIZ) {
             fprintf(stderr, "name `%s' too long: %zu\n", arg, strlen(arg));
-            fclose(f);
-            errno = EINVAL;
-            return -1;
+            goto err;
         }
 
         if (strcmp(cmd, "deny") == 0) {
@@ -139,15 +135,18 @@ static int parse_acl_file(const char *filename, ACLList 
*acl_list)
             parse_acl_file(arg, acl_list);
         } else {
             fprintf(stderr, "Unknown command `%s'\n", cmd);
-            fclose(f);
-            errno = EINVAL;
-            return -1;
+            goto err;
         }
     }
 
     fclose(f);
-
     return 0;
+
+err:
+    fclose(f);
+    errno = EINVAL;
+    return -1;
+
 }
 
 static bool has_vnet_hdr(int fd)
-- 
2.21.0




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