Spotted by Coverity Scan

Signed-off-by: Fabio M. Di Nitto <fdini...@redhat.com>
---
:100644 100644 b0cf55b... 541fed7... M  config/libs/libccsconfdb/extras.c
:100644 100644 3b2ab4b... 6b2e138... M  config/libs/libccsconfdb/fullxpath.c
:100644 100644 d9cddc0... bfc2d29... M  config/libs/libccsconfdb/libccs.c
 config/libs/libccsconfdb/extras.c    |   34 +++++++++++++++++++---------------
 config/libs/libccsconfdb/fullxpath.c |    9 ++++-----
 config/libs/libccsconfdb/libccs.c    |   14 +++++++++++++-
 3 files changed, 36 insertions(+), 21 deletions(-)

diff --git a/config/libs/libccsconfdb/extras.c 
b/config/libs/libccsconfdb/extras.c
index b0cf55b..541fed7 100644
--- a/config/libs/libccsconfdb/extras.c
+++ b/config/libs/libccsconfdb/extras.c
@@ -38,8 +38,10 @@ int ccs_lookup_nodename(int cd, const char *nodename, char 
**retval)
        size_t nodename_len;
        struct addrinfo hints;
 
-       if (nodename == NULL)
-               return (-1);
+       if (nodename == NULL) {
+               errno = EINVAL;
+               return -1;
+       }
 
        nodename_len = strlen(nodename);
        ret = snprintf(path, sizeof(path),
@@ -47,19 +49,19 @@ int ccs_lookup_nodename(int cd, const char *nodename, char 
**retval)
                       nodename);
        if (ret < 0 || (size_t) ret >= sizeof(path)) {
                errno = E2BIG;
-               return (-E2BIG);
+               return -1;
        }
 
        str = NULL;
        error = ccs_get(cd, path, &str);
        if (!error) {
                *retval = str;
-               return (0);
+               return 0;
        }
 
        if (nodename_len >= sizeof(host_only)) {
                errno = E2BIG;
-               return (-E2BIG);
+               return -1;
        }
 
        /* Try just the hostname */
@@ -71,14 +73,16 @@ int ccs_lookup_nodename(int cd, const char *nodename, char 
**retval)
                ret = snprintf(path, sizeof(path),
                               
"/cluster/clusternodes/clusternode[@name=\"%s\"]/@name",
                               host_only);
-               if (ret < 0 || (size_t) ret >= sizeof(path))
-                       return (-E2BIG);
+               if (ret < 0 || (size_t) ret >= sizeof(path)) {
+                       errno = E2BIG;
+                       return -1;
+               }
 
                str = NULL;
                error = ccs_get(cd, path, &str);
                if (!error) {
                        *retval = str;
-                       return (0);
+                       return 0;
                }
        }
 
@@ -128,7 +132,7 @@ int ccs_lookup_nodename(int cd, const char *nodename, char 
**retval)
                                if (strlen(str) >= sizeof(canonical_name)) {
                                        free(str);
                                        errno = E2BIG;
-                                       return (-E2BIG);
+                                       return -1;
                                }
                                strcpy(canonical_name, str);
                        }
@@ -136,7 +140,7 @@ int ccs_lookup_nodename(int cd, const char *nodename, char 
**retval)
                        if (strlen(str) >= sizeof(cur_node)) {
                                free(str);
                                errno = E2BIG;
-                               return (-E2BIG);
+                               return -1;
                        }
 
                        strcpy(cur_node, str);
@@ -153,9 +157,9 @@ int ccs_lookup_nodename(int cd, const char *nodename, char 
**retval)
                                *retval = strdup(canonical_name);
                                if (*retval == NULL) {
                                        errno = ENOMEM;
-                                       return (-ENOMEM);
+                                       return -1;
                                }
-                               return (0);
+                               return 0;
                        }
 
                        if (getaddrinfo(str, NULL, &hints, &ai) == 0) {
@@ -178,9 +182,9 @@ int ccs_lookup_nodename(int cd, const char *nodename, char 
**retval)
                                                    strdup(canonical_name);
                                                if (*retval == NULL) {
                                                        errno = ENOMEM;
-                                                       return (-ENOMEM);
+                                                       return -1;
                                                }
-                                               return (0);
+                                               return 0;
                                        }
                                }
                                freeaddrinfo(ai);
@@ -195,7 +199,7 @@ int ccs_lookup_nodename(int cd, const char *nodename, char 
**retval)
 out_fail:
        errno = EINVAL;
        *retval = NULL;
-       return (-1);
+       return -1;
 }
 
 static int facility_id_get(char *name)
diff --git a/config/libs/libccsconfdb/fullxpath.c 
b/config/libs/libccsconfdb/fullxpath.c
index 3b2ab4b..6b2e138 100644
--- a/config/libs/libccsconfdb/fullxpath.c
+++ b/config/libs/libccsconfdb/fullxpath.c
@@ -148,10 +148,8 @@ static int dump_objdb_buff(confdb_handle_t dump_handle, 
hdb_handle_t cluster_han
                res =
                    dump_objdb_buff(dump_handle, cluster_handle, object_handle, 
buffer,
                                    bufsize);
-               if (res) {
-                       errno = res;
+               if (res)
                        return res;
-               }
 
                if (object_handle != parent_object_handle) {
                        snprintf(temp, PATH_MAX - 1, "</%s>\n", object_name);
@@ -254,8 +252,7 @@ char *_ccs_get_fullxpath(confdb_handle_t handle, 
hdb_handle_t connection_handle,
        unsigned int xmllistindex = 0;
        int prev = 0;
        char *rtn = NULL;
-
-       errno = 0;
+       int myerrno;
 
        if (strncmp(query, "/", 1)) {
                errno = EINVAL;
@@ -351,8 +348,10 @@ char *_ccs_get_fullxpath(confdb_handle_t handle, 
hdb_handle_t connection_handle,
                errno = EINVAL;
 
 fail:
+       myerrno = errno;
        if (obj)
                xmlXPathFreeObject(obj);
 
+       errno = myerrno;
        return rtn;
 }
diff --git a/config/libs/libccsconfdb/libccs.c 
b/config/libs/libccsconfdb/libccs.c
index d9cddc0..bfc2d29 100644
--- a/config/libs/libccsconfdb/libccs.c
+++ b/config/libs/libccsconfdb/libccs.c
@@ -468,6 +468,7 @@ static int _ccs_get(int desc, const char *query, char 
**rtn, int list)
        char data[128];
        size_t datalen = 0;
        int fullxpathint = 0;
+       int myerrno;
 
        *rtn = NULL;
 
@@ -499,8 +500,11 @@ static int _ccs_get(int desc, const char *query, char 
**rtn, int list)
                    _ccs_get_fullxpath(handle, connection_handle, query, list);
 
 fail:
+       myerrno = errno;
+
        confdb_disconnect(handle);
 
+       errno = myerrno;
        if (!*rtn)
                return -1;
 
@@ -518,6 +522,7 @@ int ccs_connect(void)
 {
        confdb_handle_t handle = 0;
        int ccs_handle = 0;
+       int myerrno;
 
        handle = confdb_connect();
        if (handle == -1)
@@ -535,8 +540,12 @@ int ccs_connect(void)
        }
 
 fail:
+       myerrno = errno;
+
        confdb_disconnect(handle);
 
+       errno = myerrno;
+
        return ccs_handle;
 }
 
@@ -584,9 +593,10 @@ int ccs_disconnect(int desc)
        char data[128];
        size_t datalen = 0;
        int fullxpathint = 0;
+       int myerrno;
 
        handle = confdb_connect();
-       if (handle <= 0)
+       if (handle == -1)
                return handle;
 
        connection_handle = find_ccs_handle(handle, desc);
@@ -611,7 +621,9 @@ int ccs_disconnect(int desc)
        ret = destroy_ccs_handle(handle, connection_handle);
 
 fail:
+       myerrno = errno;
        confdb_disconnect(handle);
+       errno = myerrno;
        return ret;
 }
 
-- 
1.7.4.4

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