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-rw-r--r--nss/nsswitch.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/nss/nsswitch.c b/nss/nsswitch.c
index 0a4c9482d2..69b1be5e08 100644
--- a/nss/nsswitch.c
+++ b/nss/nsswitch.c
@@ -83,7 +83,10 @@ __nss_database_lookup (const char *database, const char *defconfig,
/* Reconsider database variable in case some other thread called
`__nss_configure_lookup' while we waited for the lock. */
if (*ni != NULL)
- return 0;
+ {
+ __libc_lock_unlock (lock);
+ return 0;
+ }
if (nss_initialized == 0 && service_table == NULL)
/* Read config file. */
@@ -99,10 +102,7 @@ __nss_database_lookup (const char *database, const char *defconfig,
only requested once and so this might not be critical. */
for (entry = service_table->entry; entry != NULL; entry = entry->next)
if (strcmp (database, entry->name) == 0)
- {
- *ni = entry->service;
- return 0;
- }
+ *ni = entry->service;
}
/* No configuration data is available, either because nsswitch.conf
@@ -110,7 +110,9 @@ __nss_database_lookup (const char *database, const char *defconfig,
DEFCONFIG specifies the default service list for this database,
or null to use the most common default. */
- *ni = nss_parse_service_list (defconfig ?: "compat [NOTFOUND=return] files");
+ if (*ni == NULL)
+ *ni = nss_parse_service_list (defconfig
+ ?: "compat [NOTFOUND=return] files");
__libc_lock_unlock (lock);