vfs: canonicalize create mode in build_open_flags()

[platform/adaptation/renesas_rcar/renesas_kernel.git] / fs / open.c

diff --git a/fs/open.c b/fs/open.c
index f3d96e7..e1f2cdb 100644 (file)
--- a/fs/open.c
+++ b/fs/open.c
@@ -717,7 +717,7 @@ cleanup_all:
                         * here, so just reset the state.
                         */
                        file_reset_write(f);
-                       mnt_drop_write(f->f_path.mnt);
+                       __mnt_drop_write(f->f_path.mnt);
                }
        }
 cleanup_file:
@@ -852,9 +852,10 @@ static inline int build_open_flags(int flags, umode_t mode, struct open_flags *o
        int lookup_flags = 0;
        int acc_mode;
 
-       if (!(flags & O_CREAT))
-               mode = 0;
-       op->mode = mode;
+       if (flags & O_CREAT)
+               op->mode = (mode & S_IALLUGO) | S_IFREG;
+       else
+               op->mode = 0;
 
        /* Must never be set by userspace */
        flags &= ~FMODE_NONOTIFY;