hostfs: hostfs_file_open: Fix a fd leak in hostfs_file_open
In case of a race between to callers of hostfs_file_open()
it can happen that a file describtor is leaked.
Signed-off-by: Richard Weinberger <richard@nod.at>
diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c
index 104d58d..112ba5a 100644
--- a/fs/hostfs/hostfs_kern.c
+++ b/fs/hostfs/hostfs_kern.c
@@ -329,6 +329,7 @@
/* somebody else had handled it first? */
if ((mode & HOSTFS_I(ino)->mode) == mode) {
mutex_unlock(&HOSTFS_I(ino)->open_mutex);
+ close_file(&fd);
return 0;
}
if ((mode | HOSTFS_I(ino)->mode) != mode) {
