vfs_gpfs: Preserve errno across unbecome_root call

Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>

diff --git a/source3/modules/vfs_gpfs.c b/source3/modules/vfs_gpfs.c
index 3967a7c723af383be386fc001e3a7312d71dc9d4..1c843db503d263d59ccf079565dcc6107845e490 100644 (file)
--- a/source3/modules/vfs_gpfs.c
+++ b/source3/modules/vfs_gpfs.c
@@ -252,6 +252,7 @@ static int vfs_gpfs_setlease(vfs_handle_struct *handle,
 
        if (config->leases) {
                int gpfs_lease_type = lease_type_to_gpfs(leasetype);
+               int saved_errno = 0;
 
                /*
                 * Ensure the lease owner is root to allow
@@ -259,7 +260,14 @@ static int vfs_gpfs_setlease(vfs_handle_struct *handle,
                 */
                become_root();
                ret = gpfswrap_set_lease(fsp->fh->fd, gpfs_lease_type);
+               if (ret < 0) {
+                       saved_errno = errno;
+               }
                unbecome_root();
+
+               if (saved_errno != 0) {
+                       errno = saved_errno;
+               }
        }
 
 failure: