[PATCH] init/do_mounts.c: treat EROFS like EACCES

[Philippe De Muyter <phdm@macqel.be>]

some combinations of filesystem and block device (at least vfat on mmc)
yield -EROFS instead of -EACCES when the device is read-only.  Retry
mounting with MS_RDONLY set, just like for the EACCES case, instead of
failing directly.

Signed-off-by: Philippe De Muyter <phdm@macqel.be>
Cc: Andrew Morton <akpm@linux-foundation.org>
---
 init/do_mounts.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/init/do_mounts.c b/init/do_mounts.c
index 82f2288..af7b9b8 100644
--- a/init/do_mounts.c
+++ b/init/do_mounts.c
@@ -394,6 +394,7 @@ retry:
 			case 0:
 				goto out;
 			case -EACCES:
+			case -EROFS:
 				flags |= MS_RDONLY;
 				goto retry;
 			case -EINVAL:
-- 
1.7.5.3